Could our universe exist because black holes ate up all the antimatter?
Did primordial black holes born during the Big Bang swallow the universe's antimatter, allowing matter to dominate the cosmos?
What if the next great astronomer isn’t human? How AI is revolutionizing our study of the cosmos
We're just scratching the surface of what the innovative collaboration between human astronomers and AI can unlock.
The loneliest places in the universe might actually be some of the best places for life
Extreme exomoons with tidal heating and thick, hydrogen-rich atmospheres may be able to create billions of years of potentially habitable surface conditions.
Astronomers keep finding new moons of Jupiter and Saturn
Astronomers have found four new moons orbiting Jupiter and 11 new moons around Saturn.
Hubble Space Telescope accidentally witnesses comet C/2025 K1 (ATLAS) breaking apart
NASA's Hubble Space Telescope has captured a rare cosmic moment: a comet breaking apart in real time.
Astronomers missed a space explosion as powerful as a billion suns — until they spotted its echo
A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught the "echo" of this gamma-ray burst.
These cotton candy exoplanets hide behind a haze even the James Webb Space Telescope can’t penetrate
These worlds are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.
NASA peers inside an asteroid | Space photo of the day for March 19, 2026
NASA has used advanced imaging techniques to peer inside samples of asteroid Bennu, discovering extensive networks of cracks running throughout the rock particles.
‘At the edge of what we thought possible’: Astronomers find extremely rare star from ancient universe
"Cosmic archaeologists" have discovered an iron-deficient second-generation star, which provides evidence of how ancient stars enriched their successors.
X-ray spacecraft watches monster black hole wake up and fire cosmic bullets at starburst galaxy
The research could shed light on how black holes vomit out matter and how this influences their home galaxies.