A study published in Nature Astronomy found that catastrophic collisions on icy moons barely disturb hidden oceans, offering new insights into life beyond Earth. The research suggests that moon sizes play a bigger role in determining a collision's aftereffects, with larger moons potentially thickening existing oceans.
NJIT professor Simone Marras invents Jexpresso software to predict hurricanes and tsunamis more accurately and faster than ever. The new technique uses artificial intelligence on a simulation of a quantum reservoir computer to manipulate weather data for pattern discovery, potentially saving lives and protecting property.
Researchers at Helmholtz-Zentrum Dresden-Rossendorf successfully produce high-purity, ultra-small nanodiamonds using laser compression, offering a scalable and sustainable alternative to conventional methods. The diamonds can be used in various applications, including medicine, energy technology, and catalysis.
Astronomers using the James Webb Space Telescope have detected changes in the ring system of Chariklo, a small body in the Solar System. The rings, which were previously thought to be stable, show opposite changes in opacity, suggesting dynamic behavior and the need for a reevaluation of their formation and evolution.
Researchers using NASA's James Webb Space Telescope and Gemini Observatory study a distant icy object, Centaur 450P/LONEOS, as it awakens and releases gas and dust, behavior more commonly associated with comets. The study provides new insight into how centaurs evolve into active comets as they migrate inward through the solar system.
Scientists at North Carolina State University have created a highly-porous, superadhesive mesh that can capture both large and small microplastic particles, including those as small as tens of nanometers. The mesh is made from sustainable biopolymers and can clean microplastics from both saltwater and freshwater.
Researchers found that clouds in sub-Neptune atmospheres actively shape their interior conditions, driving temperatures higher and potentially creating magma oceans. This discovery challenges the interpretation of James Webb Space Telescope data, suggesting clouds may be distorting our view of these planets' true bulk composition.
Phosphorus and nitrogen, two elements necessary for life, were found in distinct ratios in asteroidal bodies related to iron meteorites compared to younger asteroids. Researchers recreated the crystallization of iron meteorites in the lab and analyzed their chemical composition, which suggested that these life-essential elements origin...
Scientists have measured the atmosphere of the mini-Neptune, revealing a heavy composition with water vapor, carbon dioxide, and sulfur dioxide. The findings suggest that both planets formed far from their host star, then were drawn inward through a gradual process, preserving their atmospheres.
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.
New research from McMaster University challenges existing theories of planet formation around mid-to-late M dwarfs. The study found that sub-Neptunes almost completely disappear around these stars, hosting many super-Earths instead. This suggests that water-rich worlds may be more common in these systems.
Researchers found that incorporating data from ocean bottom seismometers could improve ShakeAlert's detection time by 5-9 seconds. This technology has the potential to increase warning times for regional offshore earthquakes by up to 40 seconds.
Researchers discover quasi-one-dimensional superionic state of carbon hydride under extreme pressures and temperatures found deep inside ice giant planets. This finding has implications for heat and electricity movement through planetary interiors and could influence magnetic-field generation.
Researchers at Michigan State University have created the first simulation that reproduces the two-lobed shape of contact binaries naturally with gravitational collapse. This finding suggests that the formation process is surprisingly simple and not rare.
A study led by Flinders University found that white shark absences from South Australia's Neptune Islands were not solely driven by killer whale predation. The researchers recorded six prolonged absences over 12 years, with only one coinciding with killer whale presence.
Astronomers discovered a distant planetary system around LHS 1903 that breaks the pattern of rocky planets orbiting close to their host star and gas giants farther away. The system's unusual architecture suggests an inside-out planet formation process, where planets form sequentially in ever-changing environments.
A team of astronomers has discovered a planetary system with four planets that breaks the conventional pattern of rocky inner worlds and gaseous outer planets. The system, LHS 1903, features a rocky outer world, defying expectations, which may have formed in a gas-depleted environment.
Researchers using ESA's Cheops satellite find a small rocky planet in LHS 1903 system, which defies conventional understanding of planetary order and formation. The discovery sparks renewed interest in exploring alternative explanations for this unusual system.
A new study suggests that Saturn's largest moon, Titan, formed from a merger of two earlier moons, and this event may also be linked to the formation of Saturn's rings. The research proposes that Titan is the product of a collision between an extra moon and itself, resulting in the creation of fragments near Titan's orbit.
A team of researchers used spectral data from the James Webb Space Telescope to study the HR 8799 star system, finding clear evidence of sulfur on three gas giant planets. This discovery suggests that these massive planets likely formed through core accretion, contradicting older models.
Deep magma oceans beneath rocky exoplanets called super-earths could generate powerful magnetic fields to protect against harmful radiation. This suggests that these planets might be more hospitable for life beyond our solar system.
UVA experts Bruce Greyson and Marieta Pehlivanova argue that the NEPTUNE model leaves many unanswered questions about near-death experiences. Despite its sophistication, the model selectively ignores scientific evidence and fails to address key aspects of NDEs.
Scientists have created a novel form of water that exhibits structural diversity similar to solid ice, revealing new properties under extreme conditions. The discovery provides valuable constraints for improved models of ice giants and their interiors.
An international team of astrophysicists observed four baby planets in the V1298 Tau system forming into super-Earths and sub-Neptunes. The planets' low densities, comparable to Styrofoam, were measured for the first time, providing observational proof.
Researchers have found a rare snapshot of worlds in the process of transforming into super-Earths and sub-Neptunes, the galaxy's most common planetary types. The discovery provides an unprecedented glimpse into the turbulent lives of young worlds, shedding light on their formation.
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 Subaru Telescope's OASIS program has discovered a massive planet and a brown dwarf orbiting distant stars. These discoveries enable the upcoming Roman Space Telescope to test critical technologies for imaging Earth-like planets.
Experimental tests demonstrate that interactions between magma oceans and primitive atmospheres during early years can produce significant amounts of water. This process has major implications for the physical and chemical properties of planets' interiors, with potential effects on core development and atmospheric composition.
Researchers found that sub-Neptunes, such as K2-18b, have limited water content due to chemical interactions between magma oceans and atmospheres. The study's results suggest that water-rich exoplanets may be less common than previously thought.
The ATREIDES program observes and analyzes exo-Neptune systems, revealing a surprisingly inclined orbital architecture that offers new insights into chaotic planetary history. The study of TOI-421 highlights the role of high-eccentricity migration in shaping planetary orbits.
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.
Astrobiologists have developed a new model to characterize water-rich sub-Neptunes, which are planets with sizes and masses between those of Earth and Neptune. This model accounts for the complex behavior of supercritical water and its implications for planetary formation and potential habitability.
Astronomers have detected a newborn planet in action, carving out an intricate pattern in the gas and dust surrounding its young host star. The planet candidate is estimated to be twice the size of Jupiter and has been observed shaping its surroundings within the protoplanetary disc as it grows into a fully formed planet.
Cancer deaths linked to obesity have increased sharply in the US, especially among women and older adults, with sharp regional disparities. The study highlights the need for targeted public health strategies to address this growing public health crisis.
Researchers have detected planet-forming 'pebbles' around two young stars, DG Tau and HL Tau, revealing large reservoirs of pebbles out to at least Neptune-like orbits. This discovery offers an early glimpse into the formation of planetary systems and may help understand how planets are formed.
Researchers have discovered a likely site of a new planet in formation using the European Southern Observatory's VLT. The disk, which extends 130 astronomical units from its parent star, shows a bright ring and spiral arms.
Researchers analyzed Trans-Neptunian Objects using the James Webb Space Telescope, finding two distinct groups with varying surface ice methanol presence. The discovery sheds light on the formation and evolution of these distant icy worlds, revealing insights into the solar system's origins and potentially habitable exoplanets.
Researchers have modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune, finding evidence for a thick, hot atmosphere. The study suggests that the planet is unlikely to be habitable, but offers insights into alternative paths of planetary origins and evolution.
Planetary scientists confirmed that Jupiter's mushball hailstorms occur due to unmixing of ammonia and water in the upper atmosphere. The storms are accompanied by fierce lightning and can punch through shallow weather systems, challenging long-held assumptions about gas giant atmospheres.
A unique partnership between researchers and a merchant marine vessel is providing critical data for measuring ocean change, biodiversity, and the interconnectedness of global systems. The project, led by Woods Hole Oceanographic Institution, is filling gaps in observations of the Middle Atlantic Bight shelf and Slope Sea.
Researchers found that the intense heat and pressure under new planets cause water and gas to react, creating unexpected mixtures. This reaction leads to a 'rainfall' deep inside the atmosphere, reshaping the planet's evolution for billions of years.
Arizona State University welcomes two new 51 Pegasi b Fellows, Matthew Nixon and Sagnick Mukherjee, to its exoplanet research team. The fellows will pursue independent research focusing on sub-Neptune planets, atmospheres, and theoretical models. ASU's leadership in exoplanet science positions the university as a hub for early-career t...
Researchers used TESS data to identify close-in sub-Neptunes and found that their frequency changes over time, suggesting a combination of processes shaping their formation and evolution. The study provides clues about the properties of these planets and addresses long-standing questions about their origins.
The discovery of two exoplanets around TOI-1453, a star about 250 light years away, reveals insights into planetary configuration and formation. The super-Earth and sub-Neptune present an interesting contrast in their characteristics, with the sub-Neptune exhibiting unusually low mass and density.
Researchers measured exoplanet orbits, finding small planets have nearly circular orbits while giant planets have more elliptical orbits. This discovery points to two different formation pathways for small and large planets.
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.
A team of researchers used JWST to study the exotic atmosphere of LTT 9779 b, revealing reflective clouds on its cooler western hemisphere. The planet's asymmetrical dayside reflectivity is driven by powerful winds that transport heat and cloud formation.
Researchers discovered reflective clouds on the western hemisphere of LTT 9779 b, a rare 'ultra-hot Neptune,' creating a striking contrast to its hotter eastern side. The team's findings reveal a delicate balance between intense heat from the star and the planet's ability to redistribute energy.
Scientists have discovered a scrawny star and its fast-moving super-Neptune world, which sets a new record for the fastest exoplanet system. The planetary system is thought to move at least 1.2 million miles per hour.
A new study found that hotter and colder regions on a star's surface can distort our interpretations of planets, particularly when looking at dips in starlight. This distortion can lead to misinterpretation of features such as planet size, temperature, and atmospheric composition.
Astronomers have detected powerful jetstream winds on the equator of WASP-127b, a giant gas planet located 500 light-years from Earth. The winds reach nearly six times the speed at which the planet rotates, making them the fastest wind ever measured in a jetstream.
A new type of exoplanet, similar to 'Super-Venus', has been detected by the James Webb Space Telescope. The planet's atmosphere is characterized by high concentrations of carbon dioxide, unlike typical Earth-like rocky planets or Neptune-like icy worlds.
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...
Researchers discover surface chemistry unlike other centaurs on Chiron, with carbon dioxide and methane gases in its coma. The findings provide insight into the creation of our Solar System's origins and the unique processes producing Chiron's surface composition.
Hubble's OPAL program has observed the four giant outer planets since 2018, providing long-term baseline data on their atmospheric changes. The observations have led to remarkable discoveries, including the measurement of Jupiter's wind speeds and Saturn's ring system colors.
Researchers at UTIG develop a computer model to detect oceans in Uranus' moons by analyzing small oscillations in their spin. The technique could reveal liquid water worlds throughout the galaxy, potentially harboring life.
Researchers argue that the planets' unique magnetic fields can be explained by immiscible layers of water and hydrocarbons. Computer simulations show that a combination of water, methane, and ammonia separates into two distinct layers under extreme temperatures and pressures.
David Gerdes, a distinguished physics scholar, will lead the College of Arts and Sciences at Case Western Reserve University. He has focused on promoting faculty, modernizing curriculum, and expanding research opportunities for undergraduates during his tenure as department chair at the University of Michigan.
Scientists analyzed particles from asteroid Ryugu, revealing a weak magnetic field that likely pulled matter inward to form the outer planetary bodies. The team estimates that such a low-grade field intensity would have been enough to play a role in giant planet formation, from Jupiter to Neptune.
A study on Posidonia seagrass meadows in the Mediterranean Sea reveals surprising results: dead leaves break down like compost, producing oxygen through photosynthetic organisms. The researchers also found a two-way exchange between macroalgae on rocks and seagrass, with organic molecules diffusing between them.