Asteroid Impact in Finland: Life Colonized the Crater
Impact, fracture and a new habitat78 million years ago a roughly 1.6-kilometre asteroid struck the region now known as F...
Space
Sun Becoming More Active — Scientists and NASA Puzzled
Rising Solar Activity: What’s ChangedThe Sun, long regarded as a steady and predictable star, is showing signs of system...
90% Chance to Detect a Black Hole Explosion
A new theoretical analysis from researchers at the University of Massachusetts Amherst suggests there is roughly a 90% p...
Sun's Rising Activity Challenges Solar Predictions
Unexpected uptick in solar activityRecent analyses of long-term solar observations indicate that the Sun's activity has ...
Messier 96: Hubble Reveals New Star-Forming Ring in Leo
Hubble image highlights a warped spiralMessier 96 is a spiral galaxy located approximately 35 million light-years from E...
Why the Moon Is Slowly Drifting Away from Earth: Tides
The Moon is moving away from Earth at roughly 1½ inches (3.8 centimeters) per year. Scientists measure this recession wi...
Effort.jl: Fast Emulators for Cosmological Surveys
Background: From Physical Models to Massive DatasetsModern cosmology links phenomena across enormous scales: large-scale...
Hidden Peril of Asteroid Deflection: How a Poorly Aimed Strike Could Postpone an Impact
The promise and perils of kinetic deflectionWhen an asteroid is determined to be on a collision course with Earth, the l...
Leopard Spots on Mars: Could the Sapphire Canyon Sample Be a Microbial Biosignature?
a spotted rock and a possible clue to ancient lifeIn July 2024 the Perseverance rover drilled into a distinctive, banded...
Solar Orbiter Reveals Two Distinct Types of Particles Emitted by the Sun
Close-up measurements reveal two clear particle populationsOur Sun appears calm from Earth, but spacecraft that approach...
Could Life Survive Around Dead Stars? Habitable Worlds Orbiting White Dwarfs
When stars die, new possibilities ariseThe life cycle of a Sun-like star ends not with a dramatic supernova but with a s...
Deep Layers Exposed: Keck Spectrum Reveals Silicon, Sulfur and Argon from a Stripped Supernova
Rare spectrum uncovers a star’s inner shellsFor the first time, astronomers have observed the chemical fingerprints of a...
NASA’s MMS Spacecraft Find Pickup Ions Generating Waves That Could Reshape Solar Wind Models
New observations: pickup ions and unexpected wave activity near EarthA team led by Dr. Michael Starkey at the Southwest ...
Perseverance Data Reveals Strongest Yet Case for Microbial Processes in Mars’ Bright Angel Rocks
Perseverance's discovery in Jezero CraterData collected by NASA's Perseverance rover over the past year have produced wh...
Ryugu's Watery Past: Evidence Shows Liquid Water Persisted Much Later Than Expected
New evidence that Ryugu held liquid waterA tiny 80-milligram sample returned from the near‑Earth asteroid Ryugu has reve...
Perseverance Finds Compelling Mineral Signs in Jezero: New Evidence That Mars Once Hosted Microbial Activity
New mineral data from Perseverance points to possible ancient microbial activityData returned last year by NASA's Persev...
Loudest Black Hole Collision Confirms Hawking’s Area Theorem
A decade after the first detection: a clearer cosmic rumbleTen years after the first direct detection of gravitational w...
JWST Spectra Hint TRAPPIST-1e May Have a Nitrogen-Rich Atmosphere — A Potentially Earth-Like World
New JWST observations probe the atmosphere of TRAPPIST-1eScientists led by researcher K. Glidden and collaborators have ...
Chroococcidiopsis: The Mars‑Dust‑Eating Cyanobacterium That Could Produce Oxygen for Space Missions
a hardy cyanobacterium with practical potentialExtremophiles—organisms adapted to survive extreme physical or chemical c...
New Calculations Suggest Solar Flare Ions Could Reach 60 Million °C — Far Hotter Than Electrons
A recent theoretical analysis indicates that ions expelled in solar flares may be heated to far higher temperatures than...