Hubble spots ultra-speedy jet blasting from star crash
Astronomers use Hubble data combined with radio observations to measure a jet propelled by a neutron star collision, revealing it moved at an apparent velocity of seven times the speed of light.
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NASA's Hubble finds spiraling stars, providing window into early universe
Researchers have discovered young stars spiraling into the center of a massive cluster in the Small Magellanic Cloud, a satellite galaxy of the Milky Way. The spiral motion is thought to be feeding star formation in a river-like motion of gas and stars, an efficient way to fuel star birth.
SourceNASA/Goddard Space Flight Center·JournalThe Astrophysical Journal·TypeObservational study·DateSep 8, 2022
Hubble sees red supergiant star Betelgeuse slowly recovering after blowing its top
Astronomers have concluded that Betelgeuse blew its top in 2019, losing a substantial part of its visible surface and producing a gigantic Surface Mass Ejection (SME). The star is now slowly recovering from this catastrophic upheaval. The mass loss event is not necessarily the signal of an imminent explosion.
SourceNASA/Goddard Space Flight Center·JournalThe Astrophysical Journal·TypeObservational study·DateAug 11, 2022
Hubble sees supergiant Betelgeuse slowly recovering after blowing its top
Betelgeuse, a bright red supergiant star, experienced a catastrophic Surface Mass Ejection (SME) in 2019, losing a substantial part of its visible surface. The star is now slowly recovering from this event, with astronomers using Hubble data to study the phenomenon and its effects on stellar evolution.
SourceCenter for Astrophysics | Harvard & Smithsonian·JournalThe Astrophysical Journal·DateAug 11, 2022
$205 million investment accelerates construction of the Giant Magellan Telescope
The $205 million investment from international partners will accelerate the telescope's construction, enabling groundbreaking studies on dark matter, dark energy, and the formation of the Universe. The Giant Magellan Telescope will boast unprecedented light-collecting capacity and spatial resolution.
Gemini telescopes help uncover origins of castaway gamma-ray bursts
Astronomers have found that short gamma-ray bursts did not originate as castaways, but instead occurred in distant galaxies up to 10 billion light-years away. The discovery suggests that these events may have been more common in the past than expected and could have seeded the Universe with precious metals.
SourceAssociation of Universities for Research in Astronomy (AURA)·JournalMonthly Notices of the Royal Astronomical Society·TypeObservational study·DateJul 27, 2022
SwRI scientists map sulfur residue on Jupiter’s icy moon Europa
A Southwest Research Institute-led team used the Hubble Space Telescope to create near-global UV maps of Europa, revealing concentrations of sulfur dioxide on the moon's trailing side. The results provide insights into the composition of Europa's subsurface ocean and its potential for life.
SourceSouthwest Research Institute·JournalThe Planetary Science Journal·TypeObservational study·DateJun 22, 2022
Near-sun comet roasted to death
Researchers observed a periodic rocky near-Sun comet, 323P/SOHO, breaking apart due to intense radiation from the Sun. This process, known as thermal fracturing, may explain why there are few such comets in our Solar System.
SourceNational Institutes of Natural Sciences·JournalThe Astronomical Journal·TypeObservational study·DateJun 14, 2022
Hubble Space Telescope captures largest near-infrared image to find universe’s rarest galaxies
The Hubble Space Telescope has released the largest near-infrared image ever taken, allowing researchers to map star-forming regions and understand how the earliest galaxies originated. This high-resolution survey will enable the identification of rare objects such as massive galaxies, highly active black holes, and colliding galaxies.
Gemini north telescope helps explain why Uranus and Neptune are different colors
The Gemini North telescope has helped astronomers understand why Uranus and Neptune have different colors. Excess haze on Uranus builds up in its stagnant atmosphere, making it appear lighter than Neptune's. The team developed a single atmospheric model that matches observations of both planets.
SourceAssociation of Universities for Research in Astronomy (AURA)·JournalJournal of Geophysical Research Planets·TypeObservational study·DateMay 31, 2022
Hubble reveals surviving companion star in aftermath of supernova
The Hubble Space Telescope has discovered a surviving companion star to SN 2013ge, providing crucial insight into the binary nature of massive stars. The finding sheds light on the puzzle of hydrogen loss pre-supernova and supports the theory that most massive stars are paired.
SourceNASA/Goddard Space Flight Center·JournalThe Astrophysical Journal Letters·TypeObservational study·DateMay 5, 2022
Hubble sheds light on origins of supermassive black holes
Astronomers have identified a rapidly growing black hole in the early universe, GNz7q, which is considered a crucial 'missing link' between young star-forming galaxies and the first supermassive black holes. The team used Hubble data to determine that GNz7q existed just 750 million years after the big bang, with properties consistent w...
Missing-link black hole found lurking in plain sight
Researchers found a missing link between galaxies and quasars, discovering a supermassive black hole in archived Hubble Space Telescope data. The object, GNz7q, appears to be a black hole just starting to overpower its host galaxy in the process of becoming a quasar.
SourceNational Institutes of Natural Sciences·JournalNature·TypeObservational study·DateApr 13, 2022
Breaking news from the dawn of the universe
Astronomers identify GNz7q, a dusty compact object with properties of both galaxies and quasars, born 750 million years after Big Bang. The discovery provides new insights into the rapid growth of supermassive black holes in early universe.
Neptune is cooler than we thought: Study reveals unexpected changes in atmospheric temperatures
A new study by University of Leicester researchers reveals Neptune's atmospheric temperatures have dropped by roughly 8 degrees Celsius between 2003 and 2018, with unexpected stratospheric warming at the south pole. The cause of these changes is currently unknown, but may be related to seasonal variations in atmospheric chemistry.
Most distant galaxy candidate yet
Astronomers have discovered the most distant galaxy candidate yet, named HD1, with a distance of approximately 13.5 billion light-years. If confirmed by observations with the James Webb Space Telescope, HD1 will be the most distant galaxy ever recorded.
Hubble probes extreme weather on ultra-hot Jupiters
Researchers studied ultra-hot exoplanets using NASA's Hubble Space Telescope, discovering unusual weather patterns, such as rain vaporized rock and intense ultraviolet radiation affecting planetary atmospheres. This research provides insights into the diversity and complexity of extreme weather conditions in distant worlds.
Hubble finds a planet forming in an unconventional way
Astronomers have directly photographed evidence of a Jupiter-like protoplanet forming through the disk instability process, supported by long-debated theory. The new world under construction is embedded in a protoplanetary disk with distinct spiral structure and orbits a young star estimated to be around 2 million years old.
Record broken: hubble spots farthest star ever seen
The discovery of star Earendel breaks the record for the farthest individual star ever seen, located 12.9 billion years away. The Hubble Space Telescope detected light from this ancient star due to gravitational lensing by a massive galaxy cluster, allowing astronomers to study it in unprecedented detail.
Hey dude: Mysterious death of carbon star plays out like six-ring circus
Researchers using ALMA and Hubble Space Telescope observe V Hydrae, a carbon-rich star, expelling matter in six slowly-expanding rings and two hourglass-shaped structures. The discovery confirms the traditional model of AGB star death is incomplete or incorrect.
The new, improved Dragonfly is a galactic gas detector
The Dragonfly telescope has spotted previously unseen gas clouds around galaxies, revealing new insights into galaxy fuel dynamics. The telescope's innovative filter allows it to block starlight and isolate images of gas structures, enabling researchers to study the dynamics of how gas gets in and out of galaxies.
Puffy planets lose atmospheres, become super-Earths
Astronomers have detected two mini-Neptune planets losing their atmospheres due to stellar radiation. The finding provides evidence that these worlds may be transforming into super-Earths. The study uses data from W. M. Keck Observatory and NASA's Hubble Space Telescope.
Juno and Hubble data reveal electromagnetic ‘tug-of-war’ lights up Jupiter’s upper atmosphere
Researchers discovered a complex relationship between Jupiter's magnetic field, volcanic activity on its moon Io, and the planet's powerful aurorae. The study revealed an electromagnetic 'tug-of-war' lights up aurorae in Jupiter's upper atmosphere.
SourceUniversity of Leicester·JournalJournal of Geophysical Research Space Physics·TypeObservational study·DateFeb 2, 2022
Hubble finds a black hole igniting star formation in a dwarf galaxy
Astronomers have discovered that a black hole at the center of the Henize 2-10 galaxy is actively promoting new star formation, with newborn clusters spotted along an outflow of gas stretching 230 light-years from the black hole. This finding sheds light on the origins of supermassive black holes in the early universe.
Cosmic 'spider' found to be source of powerful gamma-rays
Astronomers have discovered a binary system consisting of a rapidly spinning neutron star and the precursor to an extremely-low-mass white dwarf, dubbed a 'cosmic spider'. The system emits powerful gamma-rays and has been observed using the SOAR Telescope in Chile.
SourceAssociation of Universities for Research in Astronomy (AURA)·JournalThe Astrophysical Journal·TypeObservational study·DateJan 12, 2022
Mini-jet found near Milky Way's supermassive black hole
A mini-jet has been found near the Milky Way's supermassive black hole, indicating periodic outbursts. The discovery was made using multi-wavelength observations from various telescopes and suggests that the black hole is not a sleeping monster but rather dynamically variable.
One in five galaxies in the early universe could still be hidden behind cosmic dust
Astronomers have discovered two previously invisible galaxies 29 billion light-years away that were camouflaged by cosmic dust. The discovery suggests that up to one in five such distant galaxies may still be hiding behind the cosmic veil.
Astronomers team up to create new method to understand galaxy evolution
Researchers used NASA's Hubble Space Telescope to focus on a post-starburst galaxy nearly 500 million light years away. They discovered two periods of intense starburst before the galaxy stopped forming stars, shedding new light on its history and evolution.
SourceUniversity of Toledo·JournalThe Astrophysical Journal·TypeObservational study·DateNov 16, 2021
Hubble tension: Showing the cracks in Gaussian Processes
Researchers Eoin Ó Colgáin and Mohammad Mehdi Sheikh-Jabbari found that the approach may not be universally applicable across all models. Their study evaluates Gaussian Processes using the Hubble constant, highlighting a mismatch between smaller-scale and overall measurements.
Astronomers provide 'field guide' to exoplanets known as hot Jupiters
Researchers used Hubble Space Telescope observations and theoretical models to study a broader population of hot Jupiters. The study provides insight into planet formation and suggests that these planets contain similar sets of molecules, including water and carbon monoxide.
Hubble finds evidence of persistent water vapor in one hemisphere of Europa
The discovery suggests a long-term presence of a water vapor atmosphere only in Europa's trailing hemisphere. This finding advances our understanding of the atmospheres of icy moons and paves the way for future studies of Europa by probes like NASA's Europa Clipper mission.
SourceNASA/Goddard Space Flight Center·JournalGeophysical Research Letters·TypeObservational study·DateOct 14, 2021
Investigating the potential for life around the galaxy’s smallest stars
Scientists study potential for life around M-dwarf planets with new telescope, finding atmospheres may be dried out due to intense radiation. The James Webb Space Telescope can detect gases in heavy carbon dioxide or oxygen-dominated atmospheres.
SourceUniversity of California - Riverside·JournalThe Astronomical Journal·TypeComputational simulation/modeling·DateSep 29, 2021
Hubble finds early, massive galaxies running on empty
The Hubble Space Telescope and ALMA have discovered six early, massive galaxies that have run out of hydrogen gas to form stars. These 'dead' galaxies, which appeared in the universe just 20% of its current age, were found using strong gravitational lensing, a technique that amplifies light from distant objects.
Hubble finds distant galaxies that ran out of fuel
A team of astronomers has observed six massive galaxies in the early universe that have mysteriously stopped forming stars due to depleted gas reserves. The discovery was made possible by the Hubble Space Telescope's high resolution and gravitational lensing, allowing researchers to study these galaxies in unprecedented detail.
SourceUniversity of Copenhagen - Faculty of Science·JournalNature·TypeObservational study·DateSep 22, 2021
Running on empty: Research by UMass Amherst astronomers solves the 12-billion-year-old mystery of stalled galaxies
Researchers used Hubble and ALMA telescopes to detect distant galaxies with little to no cold gas, revealing why some massive galaxies stopped forming new stars. The team's findings rewrite the early history of the universe, shedding light on galaxy evolution.
ALMA scientists uncover the mystery of early massive galaxies running on empty
Researchers have discovered six early massive galaxies that have run out of fuel, contradicting expectations of the early Universe. The galaxies' cessation of star formation was not caused by inefficiency, but rather depletion or removal of gas reservoirs.
Hubble discovers hydrogen-burning white dwarfs enjoying slow ageing
The Hubble Space Telescope has discovered white dwarfs that burn hydrogen on their surface, slowing down their cooling rate. This finding challenges the conventional view of white dwarfs as inert, slowly cooling stars.
Hubble finds first evidence of water vapor at Jupiter's moon Ganymede
The Hubble Space Telescope has detected sublimated water vapor in Ganymede's atmosphere, suggesting the presence of liquid water beneath its icy surface. This finding is significant in the search for habitable planets beyond Earth and provides valuable insights into the composition and potential habitability of icy worlds.
SuperBIT: A low-cost balloon-borne telescope to rival Hubble
The SuperBIT telescope will make its operational debut in April, offering high-resolution images rivalling those of the Hubble Space Telescope. The instrument will test whether dark matter slows down during collisions, a key signature predicted by theories explaining recent muon observations.
'There may not be a conflict after all' in expanding universe debate
Astronomer Wendy Freedman's review paper suggests that recent observations are closing the gap between different measurement methods for the Hubble constant. The latest data from red giant stars and cosmic microwave background experiments agree within 1% of each other, indicating no need for fundamental new physics.
NASA completes additional tests to diagnose computer problem on Hubble space telescope
The Hubble Space Telescope's payload computer halted in June, causing science data collection to stop. The team is investigating various hardware pieces, including the Command Unit/Science Data Formatter and power regulator, as possible culprits. They will continue assessing hardware for a week before recommending fixes if necessary.
Cosmic dawn occurred 250 to 350 million years after Big Bang
A new study suggests that cosmic dawn, when stars formed for the first time, occurred between 250 and 350 million years after the beginning of the universe. The study used data from the Hubble and Spitzer Space Telescopes to estimate the age of distant galaxies.
SourceUniversity College London·JournalMonthly Notices of the Royal Astronomical Society·DateJun 24, 2021
Mystery of Galaxy's Missing Dark Matter Deepens
Scientists confirm NGC 1052-DF2 has only a few percent of expected dark matter content. The discovery using Hubble Space Telescope observations suggests that the galaxy formed in an environment with unusual properties, leading to its isolation.
Hubble data confirms galaxies lacking dark matter
A team of researchers led by Zili Shen and Pieter van Dokkum used Hubble Space Telescope to measure the distance of ultra-diffuse galaxy NGC1052-DF2, confirming it lacks dark matter. The results are based on 40 orbits of the telescope and provide crucial implications for estimating the physical properties of the galaxy.
NASA's Roman Space Telescope selects 24 flight-quality heat-vision 'eyes'
The Roman Space Telescope will create massive infrared images, 200 times larger than Hubble, with exquisite resolution. The 24 flight-certified detectors will enable scientists to explore vast celestial objects and phenomena.
An 1% Hubble parameter estimation from LISA-Taiji gravitational wave observatory network
The LISA-Taiji network can constrain the Hubble parameter within 1% accuracy in just 5 years, potentially beating existing errors. Gravitational wave signals from compact binary coalescence offer a novel window for Hubble parameter determination.
Hubble tracks down fast radio bursts to galaxies' spiral arms
Astronomers use Hubble to pin five FRBs to host galaxies and identify their origins as young magnetar outbursts. The study provides new insights into the nature of these powerful events, which generate energy equivalent to the Sun's in a year.
Mysterious hydrogen-free supernova sheds light on stars' violent death throes
Astronomers have discovered a mysterious yellow star that exploded without the typical hydrogen layer, revealing new insights into the violent death throes of massive stars. The discovery challenges current understanding of stellar evolution and suggests that these stars may undergo catastrophic eruptions before exploding.
SourceRoyal Astronomical Society·JournalMonthly Notices of the Royal Astronomical Society·DateMay 5, 2021
'Oddball supernova' appears strangely cool before exploding
Researchers used NASA's Hubble Space Telescope to examine the massive star two-and-a-half years before its explosion. The team found that the star lacked its typical hydrogen layer, making it unusually cool before exploding into a supernova.
SourceNorthwestern University·JournalMonthly Notices of the Royal Astronomical Society·DateMay 4, 2021
Hubble watches how a giant planet grows
The Hubble Space Telescope has captured the first-ever direct image of a giant exoplanet, PDS 70b, which is feeding off material surrounding its young star. The observations provide a unique look at radiation from extremely hot gas falling onto the planet, allowing scientists to estimate how fast it's gaining mass.
Continuing Arecibo's Legacy
The University of Texas at Austin, in partnership with the Arecibo Observatory and other organizations, has successfully moved telescope data to a secure storage system. This move will ensure the continued discovery and innovation sparked by Arecibo's legacy, making its vast astronomy data accessible for over 50 years.
Outback radio telescope discovers dense, spinning, dead star
Astronomers have discovered a pulsar, a dense and rapidly spinning neutron star sending radio waves into the cosmos. The finding is significant as it hints at a large population of pulsars awaiting discovery in the Southern Hemisphere, with the potential to be detected by the Square Kilometre Array telescope.
SourceInternational Centre for Radio Astronomy Research·JournalThe Astrophysical Journal Letters·DateApr 21, 2021
NASA's Webb Telescope packs its sunshield for a million mile trip
Engineers successfully folded NASA's James Webb Space Telescope sunshield, a five-layer diamond-shaped structure to fit within its launch vehicle. The compact form will remain through launch and the first few days in space to protect optics from heat interference.
Hubble spots double quasars in merging galaxies
The discovery of four double quasars offers insights into galaxy formation and the evolution of supermassive black holes. Quasars are brilliant beacons that can outshine entire galaxies, and their proximity in merging galaxies provides a unique window into the early universe.
NASA awards Postdoctoral Fellowships for 2021
The NASA Hubble Fellowship Program has awarded fellowships to 24 postdoctoral scientists to pursue independent research in astrophysics. The selected researchers will focus on three broad scientific questions: How does the universe work?, How did we get here?, and Are we alone?
Hubble shows torrential outflows from infant stars may not stop them from growing
Researchers studied 304 developing stars and found that gas-clearing by a star's outflow may not be as important in determining its final mass. The team's results indicate cavities in the surrounding gas cloud do not grow regularly, suggesting another process gets rid of excess gas.
Hubble sees new atmosphere forming on a rocky exoplanet
Astronomers have discovered a secondary atmosphere on GJ 1132 b, rich in hydrogen and hydrocarbons, which is believed to be replenished by volcanism and tidal heating. The new findings provide insights into the exoplanet's geology and offer a window into its interior.
Distant planet may be on its second atmosphere, NASA's Hubble finds
Scientists using NASA's Hubble Space Telescope have discovered a distant planet, GJ 1132 b, that may have lost its atmosphere but regained a second one. The team believes the current atmospheric hydrogen is being slowly released through volcanic processes to form a new atmosphere.
Comet makes a pit stop near Jupiter's asteroids
A wayward comet-like object has been spotted near a family of captured ancient asteroids, called Trojans, orbiting the Sun alongside Jupiter. The object shows signs of comet activity, such as a tail, outgassing, and an enshrouding coma of dust and gas.
Hubble uncovers concentration of small black holes
Astronomers used Hubble and Gaia data to analyze the positions and velocities of stars in NGC 6397, finding strong evidence for invisible mass in the dense central regions. The bulk of this unseen mass is likely made up of stellar-mass black holes, rather than white dwarfs or neutron stars.