Scientists using ALMA have discovered the most compelling chemical evidence to date of protoplanet formation. The discovery provides an alternate method for detecting and characterizing protoplanets, particularly those embedded in their parental circumstellar disks.
Classical novae are found to be more complicated than previously thought, emitting non-thermal energy and displaying hyper-fast evolution. The discovery uses Very Long Baseline Array (VLBA) to provide a detailed picture of the main complication, expanding our understanding of these events.
Scientists have detected water in the disk forming around a nearby protostar, V883 Ori, using ALMA. The discovery provides evidence that water in our Solar System formed billions of years before the Sun.
Scientists using ALMA discovered a rare instance of two supermassive black holes growing simultaneously near the center of a newly coalescing galaxy. This finding suggests that binary black hole pairs may be more common than previously thought, with potential implications for future gravitational wave detections.
The ngVLA prototype antenna design has passed an intensive review, allowing for its manufacturing and testing. The design meets requirements and is considered mature enough for mass production, with some minor items needing additional work.
A recent VLA and ALMA study investigated Jupiter's atmosphere and Io's volcanic activity, shedding light on the giant planet's complex dynamics. The research revealed the vertical structure of Jupiter's atmosphere and found high-temperature compounds, including NaCl and KCl, in Io's atmosphere, suggesting differences in subsurface magm...
Astronomers using the VLA discovered that fast-moving cosmic ray electrons drive winds in the neighboring galaxy M33, slowing down new star formation. This finding challenges previous theories, suggesting cosmic rays are a more general cause of galactic winds.
Astronomers used the VLBA to trace a wobble in a nearby star's motion and discovered a Jupiter-like planet orbiting one of its stars. The planet has twice the mass of Jupiter and orbits every 284 days, with an inclined orbit of 148 degrees from the stars.
Scientists discovered that the galaxy stopped forming stars because most of its gas fuel was thrown out of the system as it merged with another galaxy. The result is a first for ALMA scientists and challenges long-held theories about galaxy mergers and deaths.
Scientists using ALMA have detected gas in a circumplanetary disk around a potential Jupiter-mass planet, about 395 light-years from Earth. The discovery sheds light on planetary formation and moon creation processes.
Researchers recorded millimeter-wavelength light from a fiery explosion caused by the merger of a neutron star with another star, confirming it as one of the most energetic short-duration gamma-ray bursts ever observed. The results reveal that the explosion left behind one of the most luminous afterglows on record.
Scientists have found evidence for a young and extremely powerful neutron star, dubbed VT 1137-0337, in a dwarf galaxy 395 million light-years from Earth. The pulsar is thought to be as young as 14 years old and has the strongest magnetic field of any known object.
Researchers used ALMA to study 30 Doradus, a large star-forming region in the LMC, and discovered that gravity is shaping molecular clouds despite intense stellar feedback. The observations revealed a pattern of highly organized filaments, which are likely an important step in the process of star formation.
Astronomers using ALMA have imaged the debris disk of HD 53143, revealing its highly eccentric structure. The discovery provides valuable insights into planetary formation and evolution, suggesting that gravitational perturbations from planets may shape disk morphology.
Researchers using ALMA have observed significant cold gas in the outer regions of A1689-zD1, a young, active star-forming galaxy. The findings suggest that early galaxies like A1689-zD1 may be larger and more complex than previously believed.
Scientists have discovered a repeating Fast Radio Burst (FRB) with a compact source of weaker but persistent radio emission, raising new questions about the nature of these mysterious objects. The discovery challenges the usefulness of FRBs as tools for studying intergalactic space.
Researchers found that post-starburst galaxies condense their gas instead of expelling it, raising questions about the process. The compact, turbulent gas is less efficient at forming stars than expected, suggesting alternative energy sources may be driving its behavior.
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.
Researchers use ALMA and VLA to detect chaotic dust and gas streams caused by an intruder object interacting with the binary protostar. The study provides evidence of flyby events in nature, which can dramatically perturb circumstellar disks and impact planet formation.
Astronomers used the VLA to reveal a double helix structure in the magnetic field of M87's jet, tracing material out to nearly 3,300 light-years. The findings suggest that instabilities in the flow of material within the jet could produce the observed double-helix structure.
The ngVLA received high priority for construction, with a dense core and signal processing center at the VLA site. The system will have greater sensitivity and resolving power than current facilities, complementing US-ELT and James Webb Space Telescope.
Researchers have detected water and carbon monoxide molecules in the largest galaxy in the early Universe, located nearly 13 billion light-years from Earth. This finding provides insight into the formation of life-creating elements in the earliest galaxies.
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.
A study using ALMA revealed that protoplanetary disks around five young stars are factories of organic molecules, including nitriles implicated in the origins of life. The discovery provides insights into planetary system formation and whether these systems have what it takes to host life.
Astronomers discovered a stellar collision that triggered a supernova explosion in a companion star. The collision was detected using the VLA and VLASS survey, revealing a centuries-long death dance between two massive stars.
The Next Generation Very Large Array (ngVLA) will be a key tool for answering important scientific questions in astrophysics, offering sensitivity and resolving power 10 times greater than the current VLA. Construction could begin by 2026 with early scientific observations starting in 2029.
Researchers using ALMA data have observed gas re-accreting onto galaxies affected by ram pressure stripping, potentially slowing down their demise. This process creates unique structures resistant to ram pressure's effects, with mass and a sticky nature that holds onto material more tightly.
Astronomers have detected previously unseen tracers of massive star formation in the Milky Way, including compact regions of hydrogen gas and radio emission from methanol molecules. The survey more than doubled the number of supernova remnants found in the region.
A team of astronomers mapped molecular clouds in the nearby Universe, discovering diversity in stellar nurseries across 90 galaxies. The study found that location and environment play a critical role in star formation, with clouds in dense central regions being more massive and turbulent.
Astronomers observed a massive protostar called Cep A HW2, revealing two distinct features: a wide-angle wind near the star and a highly-collimated jet at a greater distance. The discovery raises questions about the formation mechanisms of stars across different mass spectrums.
High-resolution VLA radio images of W49A show changes in ionized gas regions, including new activity and supersonic gas motions. Astronomers plan to continue observing this region to track changes and reveal details about star formation processes.
A new view of the region closest to M87's supermassive black hole reveals important details of magnetic fields and hints at how powerful jets originate. The observations suggest strongly magnetized gas plays a key role in launching energetic jets.
A team of astronomers used a natural cosmic lens to magnify the light from a distant radio galaxy, detected for the first time using the VLA. The discovery provides valuable insights into star formation in low-mass galaxies at early universe ages.
Astronomers have found the most distant cosmic jet, providing insights into how galaxies evolved and supermassive black holes grew when the universe was only 780 million years old. The quasar, with a massive black hole 300 million times more massive than the Sun, has a jet of fast-moving particles about 1,000 years old.
The successful test paves the way for designing a more powerful transmitter to enhance detection and imaging of small objects in near-Earth space. The technology will allow unprecedented detail and sensitivity, increasing our understanding of the Solar System.
Astronomers have discovered the most distant quasar yet found, J0313-1806, which is 13 billion light-years away and powered by a supermassive black hole. The discovery provides valuable insights into how massive galaxies and their supermassive black holes formed in the early Universe.
Astronomers observed a galaxy 12.8 billion light-years from Earth, revealing previously unseen details in its jet of material ejected at three-quarters the speed of light. The analysis supports theoretical models for blazar rarity in the early universe.
Astronomers have found distant galaxies with supermassive black holes that launched powerful radio-emitting jets within the past two decades. The study used data from the VLA Sky Survey and compared it with earlier surveys to identify these new jets.
Astronomers used the VLA to study how a crowded environment affects galaxies in the Perseus Cluster. The research reveals complex filamentary structures in radio lobes and bending of jets due to motion through intergalactic material, providing new insights into galaxy clusters.
A team of astronomers used ALMA to capture radio images of Io during eclipses, showing the direct effect of volcanic activity on its atmosphere. They found that active volcanoes produce 30-50 percent of Io's atmosphere, with potassium chloride also present in volcanic regions.
Astronomers used the VLBA to measure the distance to magnetar XTE J1810-197, one of the closest known at about 8100 light-years. This precise measurement can help determine if magnetars generate Fast Radio Bursts, a long-mysterious phenomenon.
Two teams of astronomers used ALMA to discover a misaligned ring system in the planet-forming disk of GW Orionis, a triple star system. The findings suggest that either gravitational pull from the stars or a newborn planet caused the misalignment, highlighting the complex processes involved in planetary formation.
The Very Long Baseline Array revealed young radio-emitting jets that began 80 years ago and stopped, then resumed about 10 years ago. The bright core houses a supermassive black hole about one million times the mass of the Sun.
Astronomers have discovered a Saturn-sized planet orbiting a small, cool star 35 light-years from Earth using the astrometric technique. The planet has a mass comparable to Saturn and orbits its star every 221 days. This discovery is significant as it reveals that smaller planets can exist around cooler stars.
Researchers use VLA radio telescope to image galaxy NGC 4217's magnetic field, extending far beyond the galaxy's disk. The dynamo theory suggests that this massive magnetic field is generated by plasma motion within the galaxy's disk.
A new study using international radio telescope data reveals galaxies are nearer than predicted, exacerbating a discrepancy in the Hubble Constant measurement. This finding bolsters the need to revise the standard cosmological model of the Universe.
Astronomers have discovered a region around a protostar containing complex organic molecules, dubbed a 'hot corino,' which is crucial for the formation of life. The finding resolves a long-standing puzzle about why some binary systems show evidence of hot corinos but not others.
Scientists have found two new objects that, along with AT2018cow, represent a type of stellar explosion significantly different from others. The new explosions, called Fast Blue Optical Transients (FBOTs), share characteristics with supernovae and gamma-ray bursts but differ in important aspects.
Astronomers used ALMA to discover a massive rotating disk galaxy, DLA0817g, which challenges traditional models of galaxy formation. The galaxy formed primarily through the steady accretion of cold gas, indicating alternative growth processes dominated over violent mergers.
Astronomers discovered unusually high levels of carbon monoxide in the gas emitted by comet 2I/Borisov, which likely formed in an extremely cold environment. The comet's composition may indicate a different formation process than solar system comets, shedding light on the birthplace of another planetary system.