Could a 'Metal-Free' Galaxy Truly Hide the First Stars?
Astronomers have identified a distant galaxy whose light reads like a time capsule: almost no heavy elements, strong hyd...
Space
Moss Survives Nine Months in Space — A Boost for Mars Plans
Researchers have exposed spore-bearing capsules from a common laboratory moss to the vacuum and radiation of low Earth o...
How Frozen Clouds in NGC 4571 Spark New Stars Today
Hubble’s striking view of NGC 4571 reveals a glittering spiral galaxy alive with newborn stars and glowing pink nebulae....
Listening to Cosmic Dawn: 13-Billion-Year Radio Clues
More than 13 billion years after the Big Bang, a whisper from hydrogen atoms could finally tell us how the first stars w...
Plasmasphere Under Siege: Inside the May 2024 Superstorm
In May 2024 Earth was hit by one of the most intense geomagnetic superstorms in decades. Observations from Japan’s Arase...
Why NASA Is Watching the Growing South Atlantic Anomaly
Across the skies between South America and southwest Africa lies a curious and expanding weakness in Earth's magnetic sh...
Did Water Persist Beneath Mars' Dunes? New Findings
New analysis of Martian dunes suggests underground water once trickled through the sands of Gale Crater, leaving mineral...
Skydiver Silhouetted Against the Sun: The Preposterous Photo
Astrophotographer Andrew McCarthy captured an extraordinary moment: a skydiver, silhouetted against the Sun's fiery disk...
Cosmic Cooling: Why the Universe Is Running Out of Stars
Imagine a cosmos that once blazed with comparatively abundant star birth, now dimming as it ages. New research led by as...
Volcanic Sulfur May Have Made Early Mars Habitable
Mars, sulfur, and a surprising link to automotive concernsA new study from researchers at The University of Texas at Aus...
Chaotic Spiral Galaxy NGC 1511: Collision Aftermath Revealed
Hubble Captures a Galaxy Scarred by Cosmic CollisionsHubble's latest image of NGC 1511 reveals a spiral galaxy still res...
Cloud Clues: New Color Key to Find Alien Life, Telescopes
Cloudy worlds may now be a prime hunting ground for lifeCornell University scientists have created the first reflectance...
Continents Peeling From Below: Hidden Mantle Highways
A new study reveals that Earth’s deep interior remains far more dynamic than once believed, continents can slowly shed t...
Hidden Giant: NGC 4102's Quiet Supermassive Black Hole
Hubble's latest image of NGC 4102 peels back a layer of calm spiral arms to reveal a softly glowing, active center — a s...
GJ 251 c: A Nearby Super-Earth 18 Light-Years Away
Astronomers have identified a potentially habitable world close to the Solar System: a rocky "super-Earth" orbiting an M...
Inside SN 2024ggi: First View of a Supernova Tearing Open
For the first time, astronomers have mapped the precise shape of a supernova's shock front as it punched through the sur...
Blue Origin Nails Booster Landing as New Glenn Heads to Mars
Blue Origin achieved a major milestone when its New Glenn rocket successfully launched NASA-bound twin spacecraft and, i...
Magnetic Fields Explain an 'Impossible' Black Hole Merger
In 2023, gravitational wave observatories recorded a collision so strange it seemed to break the rules physicists rely o...
Silent Threat: Micrometeoroid Rain Endangers Moon Bases
The Moon is a calm, airless world to the naked eye — no weather, no wind, no storms — but it sits beneath a relentless d...
Where Interstellar Objects Are Most Likely to Strike Earth
Earth has already been visited by a handful of interstellar objects (ISOs), and new research suggests impacts from these...