Researchers discovered that the solar wind slows down by 13-15% as it approaches the outer boundary of the heliosphere, aligning with previous models. This slowdown is crucial for understanding the impact of interstellar material on long-term space travel.
Scientists predict that New Horizons will encounter the termination shock as early as 2029 or as late as 2040, helping improve understanding of heliosphere interactions with interstellar space. The research aims to prepare for future missions exploring solar system boundaries.
A team of astronomers found a thin atmosphere around a small trans-Neptunian object (TNO), which is not expected to retain atmospheres due to its cold temperature and weak surface gravity. The atmosphere is thought to be less than 1000 years old, suggesting recent formation or replenishment.
A team of astronomers using the WEAVE instrument discovered a bar-shaped cloud of iron atoms inside the iconic Ring Nebula. The iron bar is roughly 500 times longer than Pluto's orbit and has a mass comparable to Mars, raising questions about its formation and composition.
A team of astronomers at Cardiff University and UCL discovered a mysterious bar-shaped cloud of iron atoms inside the Ring Nebula, which is roughly 500 times longer than Pluto's orbit. The discovery was made using a new instrument on the William Herschel Telescope, allowing for unprecedented detail in observations of the nebula.
Dr. Michael Davis, an astrophysicist at Southwest Research Institute, has been recognized by SPIE as a Fellow for his work on space instruments and UV imaging. He is the optics and detector scientist for NASA's Lunar Reconnaissance Orbiter and Juno mission to Jupiter.
Dr. Alan Stern, a renowned planetary scientist, has been recognized by the American Astronomical Society (AAS) for his pioneering contributions to space science and technology. His leadership on the New Horizons mission to Pluto and the Kuiper Belt is notable.
A new study by the University of Zurich suggests that Uranus and Neptune may be more rocky than icy, challenging their classification as ice giants. The researchers developed a unique simulation process to model the planets' interiors, which found that the two planets could have either water-rich or rock-rich compositions.
The SPHERE instrument has produced an unprecedented gallery of debris disks in exoplanetary systems, allowing for deductions of smaller bodies. These observations provide a glimpse of the earliest history of the solar system, with small bodies serving as remnants from planetesimals that did not evolve into larger planets.
Astronomers detected water ice and nitrogen in fragments torn apart from a Kuiper Belt analog, revealing the presence of volatile-rich material. The discovery sheds light on planet formation and the delivery of water to rocky planets.
Astronomers have discovered a frozen, water-rich planetary fragment being consumed by a white dwarf star outside our Solar System. The object is thought to be an icy planetesimal, possibly similar to Halley's Comet or Pluto, and has a high nitrogen abundance, making it a rare finding in the field.
Researchers at Ohio State University are developing a new nuclear thermal propulsion system, called the centrifugal nuclear thermal rocket (CNTR), which could potentially double an engine's efficiency. The CNTR concept aims to improve rocket performance while minimizing risk and enabling faster travel times to distant destinations.
A Southwest Research Institute-led team has detected methane gas on Makemake using NASA’s James Webb Space Telescope. The discovery suggests that Makemake may have a dynamic atmosphere where methane ice is evolving, indicating activity or tenuous atmosphere.
The discovery of 2023 KQ 14, a sednoid with an unusual orbit, challenges our understanding of the outer Solar System's structure. The object's stable orbit over 4.5 billion years suggests that the system is more diverse and complex than previously thought.
The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) has successfully completed its initial commissioning aboard the Europa Clipper spacecraft. The instrument will analyze Europa's atmospheric gases and surface materials, searching for evidence of potential plumes erupting from within the icy moon.
The study provides a new look at the galactic region surrounding our solar system, revealing a roughly uniform background Lyman alpha sky brightness. The findings suggest hot interstellar gas bubbles may be regions of enhanced hydrogen gas emissions at a wavelength called Lyman alpha.
A team of researchers has found a stable trio of icy space rocks in the Kuiper Belt using data from NASA's Hubble Space Telescope and the W. M. Keck Observatory. The Altjira system suggests that similar triples may exist, supporting a theory of solar system formation and the formation of Kuiper Belt objects.
Researchers at Southwest Research Institute propose a new model for the formation of Pluto and Charon, suggesting they may have originated from a giant collision similar to the Earth-Moon system. The scenario supports Pluto's active geology and possible subsurface ocean, with implications for the Kuiper Belt.
A new study by University of Arizona researchers reveals a 'kiss and capture' mechanism for the formation of Pluto and its largest moon Charon. The discovery challenges decades of scientific assumptions about how planetary bodies form and evolve.
Researchers at the University of Central Florida used the James Webb Space Telescope to analyze trans-Neptunian objects, revealing a clearer picture of how the outer solar system formed and evolved. The study found three distinct compositional groups among TNOs, shaped by ice retention lines that existed in the era when the solar syste...
A Southwest Research Institute-led team developed a revised solar composition that potentially reconciles spectroscopy and helioseismology measurements for the first time. The new solar composition suggests higher levels of carbon, nitrogen, and oxygen in the Sun than previously thought.
A Southwest Research Institute-led team has detected carbon dioxide and hydrogen peroxide on Charon's surface, revealing insights into the moon's geological processes and formation. The presence of these substances suggests that Charon's surface is altered by solar ultraviolet light and energetic particles.
A new study uses observations from NASA's New Horizons spacecraft to measure the cosmic optical background, a phenomenon known as the universe's glow. The results suggest that the glow is roughly 100 billion times fainter than sunlight and provides valuable insights into the history of the universe since the Big Bang.
A Kobe University researcher found that the massive impact on Ganymede was around 20 times larger than the one that ended the dinosaurs, causing a 1,400km crater and reorienting its axis, according to a new study published in Scientific Reports. The asteroid's diameter was estimated at around 300 kilometers.
Researchers discovered a highly eccentric exoplanet named TIC 241249530 with an orbital eccentricity of 0.94, causing extreme temperature variations. The planet's unusual backward-orbiting motion provides insight into the formation history and future trajectories of hot Jupiters.
A team of scientists has discovered an ocean of liquid water beneath Pluto's surface, with a shell of nitrogen and water ice estimated to be 40-80 km thick. The density of the ocean is around 8% denser than seawater on Earth, allowing for minimal fractures in the ice above.
Numerical simulations attribute Pluto's 'heart' shape to a giant, slow oblique-angle impact. The study suggests no subsurface ocean on Pluto, contradicting previous theorized explanations.
A new study using the James Webb Space Telescope has captured the first-ever image of a planet-forming disk's gas dispersal, providing insights into how planets form in our solar system. The observations reveal that the inner disk of T Cha is evolving on very short timescales, differing from earlier spectra detected by Spitzer.
Researchers found evidence of hydrothermal or metamorphic activity within the icy dwarf planets Eris and Makemake, which have methane deposits with geochemical origins. The discovery suggests elevated temperatures in their rocky cores, potentially leading to liquid water and habitability.
The Mount Sinai Hospital received a $13 million NIH grant to create vaccines that can protect against various types of coronaviruses. The project aims to develop variant-proof, universal vaccines that offer broad protection against existing and future SARS-CoV-2 variants, pandemic, zoonotic, and seasonal coronaviruses.
A new study finds that integrating longitudinal tobacco cessation care into lung cancer screening improves quit rates and enhances the benefits of screenings. Researchers recommend incorporating behavioral treatment and medication into the screening process to help smokers quit.
Researchers at Stanford University have discovered a way to interpret the meaning of dune patterns, which can be used to understand environmental changes on planetary bodies such as Mars, Venus, and Titan. The study found that high interaction density between dunes signals recent or local changes in boundary conditions.
Researchers using genetic databases study the interaction between biological forces and social environments to better understand complex behaviors. By analyzing massive banks of genetic data, scientists can clarify the nuances of human behavior and improve social science research.
Researchers have found high levels of phosphates in the water on Saturn's moon Enceladus, a key component of DNA and cell membranes. The discovery increases the chances of finding habitable worlds across the galaxy, as Enceladus can support life over a wider range of distances from its star.
A team of astronomers discovered a population of reddish Neptunian asteroids, which are thought to have formed beyond the transition boundary between neutral-colored and redder objects. The red coloration suggests these asteroids contain more volatile ices, providing insight into the early Solar System's conditions.
A new ring system has been found around the Pluto-sized dwarf planet Quaoar, which orbits beyond Neptune. The discovery is remarkable because it lies at a distance of over seven planetary radii from its parent body, posing a challenge to existing theories of ring formation.
Researchers used computational simulations to model Charon's internal ocean freeze and its effects on the moon's surface. The study found that the freezing of an internal ocean may have formed deep depressions along Charon's girth but was unlikely to lead to cryovolcanoes erupting with ice and water in its northern hemisphere.
Astronomers using Hubble Space Telescope data found a small but significant excess of light in the sky, equivalent to the glow of 10 fireflies. This residual glow could be caused by a tenuous sphere of dust from comets falling into the solar system, adding a new component to the known architecture of the solar system.
Scientists have discovered new evidence of phosphorus availability in Enceladus's ocean, making it a prime target in the search for extraterrestrial life. The discovery suggests that Enceladus's subsurface ocean is likely habitable due to its high levels of dissolved phosphorus.
A new study published in Journal of Applied Social Psychology found that wearing a mask has no effect on the ease, authenticity, friendliness of conversations. Participants reported minimal difference in interactions between masked and unmasked individuals, suggesting masks do not impair most social interactions.
Researchers reveal the likely composition of Charon's dynamic methane atmosphere and propose a possible source for its red polar zone. The team's novel experiments and atmospheric modeling suggest that ultraviolet light breaking down methane molecules is key to understanding the moon's unique albedo.
Researchers at USC Dornsife College of Letters, Arts and Sciences found evidence of the inner core's six-year cycle of super-rotation and sub-rotation. The study suggests the inner core changed direction in the six-year period from 1969-74, causing variations in the length of day.
A team of researchers from Brigham Young University has solved the mystery of Haumea's origin by re-evaluating assumptions about its formation. By considering the dwarf planet in the context of the broader solar system creation, they proposed a new explanation that explains why Haumea is one of the fastest spinning objects and covered ...
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.
Researchers have found evidence for two supermassive black holes orbiting each other every two years, with masses hundreds of millions times larger than our sun. The quasar's radio-light brightness exhibits sinusoidal variations due to the pair's motion, providing a nearly perfect light curve.
Researchers calculate that low-power lasers on Earth could launch and maneuver small probes equipped with silicon or boron nitride sails, propelling them to much faster speeds than rocket engines. The lasers could propel tiny sailed probes on interplanetary or interstellar missions without requiring large amounts of fuel.
A team of astronomers has discovered a rare pair of brown dwarfs that have the widest separation of any brown dwarf binary system found to date. The two brown dwarfs are about 12 billion miles apart, or three times the separation of Pluto from the Sun.
A Southwest Research Institute scientist found compelling evidence for a liquid internal ocean on Mimas, a small Saturn moon. The discovery expands the definition of habitable worlds and suggests that worlds like Earth with surface oceans may not be unique in the galaxy.
Researchers from CNRS and ENS de Lyon reveal the driver behind Pluto's Sputnik Planitia basin's flat polygons separated by narrow troughs, which is a sign of thermal convection within the icy mass. The process bears resemblance to ocean movements, not ice layer behavior on Jupiter and Saturn moons.
Researchers have discovered that vast ice forms on Pluto's surface are formed by the sublimation of nitrogen ice, powering convection in the ice layer of Sputnik Planitia. This process is consistent with climate models and has implications for other planetary bodies.
A study suggests the IAU's current definition of a planet is flawed and rooted in folklore and astrology. Researchers propose a new definition focused on a planet's geological activity, clearing its own orbit to be the largest gravitational force.
Researchers have confirmed the existence of lunar carbon dioxide cold traps that could contain solid carbon dioxide, a key resource for sustaining robot or human presence on the moon. The discovery has major implications for future lunar exploration and international policy.
Researchers study Martian sand ridges to understand wind behavior, finding evidence of dune interactions similar to those on Earth. By analyzing these features, scientists can better interpret wind patterns on Mars and gain insights into the planet's geology.
A new project aims to bring data science into the curriculum of Penn State's engineering programs, focusing on critical thinking, problem-solving, and community awareness. The researchers plan to collaborate with local communities, industry, and K-12 schools to provide students with real-life data sets and projects.
Researchers suggest that worlds with interior water ocean worlds (IWOWs) are more habitable due to protection by layers of ice and rock, shielding life against threats. This concept expands the search for life beyond Earth-like planets.
Farfarout is the most distant known object in our Solar System, with an orbit taking it 175 au from the Sun at its farthest point. Its discovery provides insights into the history of the outer Solar System and the potential for future interactions with Neptune.
The team discovered a planetoid dubbed 'Farfarout,' located 132 astronomical units (au) from the Sun, making it the most distant object ever observed. It has a highly elongated orbit that takes approximately 1,000 years to complete, crossing Neptune's orbit every time.
Scientists have gained new insight into the solar structures that create the Sun's flow of high-speed solar wind. Using NASA data and cutting-edge image processing, researchers discovered plumelets, smaller strands of material within solar plumes, which shape the solar wind's characteristics.
Researchers have discovered a binary system of brown dwarfs, orbiting each other at an unprecedented distance, with one object being similar in mass to Jupiter and the other about 8 times less massive. This rare find suggests that star formation processes can create binary systems like those found in our solar system on smaller scales.
Researchers discovered that Pluto's mountains are snowcapped with frozen methane, formed at high altitudes where the atmosphere is rich in methane. This finding explains why Pluto's glaciers have craggy ridges unlike Earth's flat ones.