A cosmic gateway near Earth may connect us to other distant worlds
The solar system sits inside a vast pocket of hot, thin gas. However, that nearby structure has never…
NASA is looking for four volunteers willing to spend a year inside a simulated Mars mission
Not everyone who wants to go to Mars needs to leave Earth to help get humanity there. NASA…
New study reveals how dark matter formed shortly after the Big Bang
Dark matter may not have needed a calm, cold start to help build the universe. For decades, that…
This exoplanet, located about 25 light-years from Earth, could be habitable
ⓘ NASA – Unsplash An artist’s illustration showing an exoplanet and a star. Astronomers have recently conducted new…
AI can quickly spot and catalog lunar craters, but accuracy remains a major problem
The Moon’s cratered surface may seem like the perfect place to hand repetitive work to machines. There are…
Interstellar comet 3I/ATLAS may come from a solar system much older than our own
Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before.…
JWST reveals why some distant galaxies suddenly stop forming stars
Distant galaxies that abruptly stopped making stars have puzzled astronomers for years. About 9 billion years ago, during…
XMM-Newton gamma-ray detection shows the Milky Way is bigger than previously thought
The Milky Way’s farthest spiral arms have long been sketched more from motion than measurement. Now three violent…
12 billion years old interstellar comet 3I/ATLAS may be older than the solar system
3I/ATLAS arrived fast, bright, and strange. When astronomers spotted it on July 1, 2025, they knew almost immediately…
Strange beads of light on Ganymede look strikingly like Earth’s auroras
Ganymede’s auroras have always stood apart for one simple reason: this is a moon, not a planet, and…
Time may be an illusion derived from quantum entanglement
Time has always seemed like the one thing physics could count on. Matter changes, stars die, particles flicker…
Wormholes may enable time travel, astrophysicists find
A ring in space, at least on paper, can do something a black hole cannot. It can connect…