Asteroid Bennu's Amino Acid Holds the Biggest Isotope Anomaly Ever Seen in Space Organics
Penn State researchers found one carbon atom in a single molecule wildly out of balance with its neighbors, evidence of chemistry that may predate Earth.
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ScienceFossil Teeth From a Thai Coal Mine Reveal a 66-Pound Rodent That Lived 34 Million Years Ago
Yakamys sirindhornae, about twice the size of its known rivals, suggests giant rodents evolved earlier, and in Southeast Asia, than scientists believed.
ScienceNASA's Four-Person Mars Simulation Crew Emerges After More Than a Year Sealed Inside
The CHAPEA volunteers grew crops, rationed supplies, rehearsed spacewalks and worked through communication delays; NASA says the lessons will shape Moon and Mars planning.
ScienceHydrogen Chloride Leaking From Cracks on Mars Hints at a Still-Warm Volcano
An orbiter spotted the gas rising from fresh-looking fractures on Alba Mons in early summer, suggesting magma may still sit beneath the Red Planet's surface.
ScienceWebb 'Digital Twin' Strips Starlight to Reveal an Exoplanet Hidden in Old Images
A Caltech and Northwestern team built a physics-based model of Webb's camera that boosts planet-detection sensitivity two to 15 times and uncovered a world sitting unnoticed in archived data.
ScienceScientists Build a Single-Molecule 'Archimedes Screw' Motor That Spins on Electricity
Weizmann and Copenhagen researchers held one spiral molecule between two gold tips and found it rotates, and reverses, with the voltage, and conducts 100 times better while spinning.
ScienceMIT Flips a 20-Year Rule: Floppy Connectors Build Never-Before-Seen Nanoparticle Crystals
Instead of rigid molecular links, the Nature Materials study uses bendy ones that rearrange as particles meet, limiting how many neighbors each particle can grab.
ScienceRadio Telescope Image Reveals 63,000 Sources, Sharpest Low-Frequency View of the Sky Ever
A Leiden-led team used LOFAR to image one patch of sky 20 times more sharply than before, and processed 400 terabytes of data in just a few months.
ScienceComputer Models Show Each Atomic Defect in Boron Nitride Has Its Own Laser 'Fingerprint'
University at Buffalo researchers simulated 10 defect types in hexagonal boron nitride and found some boost light at double or triple the laser frequency, which could help pick out sources of quantum light.
ScienceCarbon Nanotube 'Trions' Keep the Tube's Handedness, Opening Door to Electric Control of Light
Tokyo researchers found that adding a charge to an exciton on a single-walled nanotube preserves its chirality, so voltage could tune how the tube treats circularly polarized light.
ScienceCaltech Robot Builds a Structure in Orbit Without Human Hands, a First
The ASTRA experiment, riding on a small satellite, has added a third truss bay to a planned 1.4-meter reflector antenna in a step toward kilometer-scale structures in space.
ScienceWebb Counts 104 Magnified Stars in the Dragon Galaxy, a Record, and Hints at Fuzzy Dark Matter
JWST images of a galaxy 6.5 billion light-years away more than double the previous count of 44 individual stars brightened by gravitational lensing.
ScienceNASA Opens Astronaut Applications for a Corps That Will Live and Work on the Moon
Administrator Jared Isaacman says selected candidates would test spacecraft and staff a future moon base; nursing master's degrees now count, and applications close Dec. 3.
ScienceHeart Drug That Cut Lp(a) by 78% Fails to Prevent Heart Attacks in Major Trial
Novartis' pelacarsen did not reduce cardiovascular events in 8,350 patients over five years, a blow to one of cardiology's most anticipated approaches.
ScienceWhere a Nuclear Blast Hits a Lumpy Asteroid Changes Its Deflection Nearly Fivefold
A new model that drops the spherical-asteroid shortcut found deflection speed varied nearly fivefold, and spin by a factor of 17, depending on which face gets hit.
ScienceA Gentle Squeeze Reshapes the Magnetism of Altermagnets, Oak Ridge Neutron Study Shows
Squeezing tiny crystals of manganese telluride and iron sulfide between titanium plates shifted their magnetic domains and electrical behavior, a possible lever for future spintronic chips.
ScienceOne Extra Measurement Cuts Qubit Errors by More Than Half in New Regensburg Experiment
Physicists used real-time feedback to track a drifting qubit frequency, dropping the average error rate from about 0.14% to 0.065% on a superconducting chip.
ScienceRubin Observatory Finds First Permanent Trojan Asteroids Trailing Neptune
Queen's University Belfast astronomers confirmed two stable asteroids and one candidate, doubling the known long-lived population in Neptune's trailing cloud.
ScienceVoyager 1 Went Silent for Two Days, Then Came Back Before Its One-Light-Day Milestone
NASA says the probe's thrusters switched to backups on their own, and a power-saving swap of three heaters has extended the life of its remaining instruments.
ScienceWebb's 'Earliest Galaxy' Capotauro Moved, and That Makes It a Cold Brown Dwarf
A 0.13-arcsecond shift between images taken 3.5 years apart shows the object is a Milky Way dwarf about 2,400 light-years away, not a galaxy 100 million years after the Big Bang.
ScienceScientists Simulate a Lifeless Earth for 5 Billion Years to Learn What Fake Life Signs Look Like
A University of Washington model reproduces 19 planetary properties without biology, giving astronomers a baseline for judging alien atmospheres.
ScienceHair and Nails of Inca Sacrifice Mummies Reveal Cocaine, Alcohol and an Ayahuasca Compound
Toxicology on eight mummies from Peru and Argentina suggests the Incas tailored their most sacred ritual to different mountain deities.