Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During ...

Planned megaconstellations would contaminate the view of the cosmos of four orbiting telescopes Many of the images taken by the Hubble Space Telescope will be blemished by satellite trails if plans to ...

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

Astronomical images could be blemished by bright streaks, if plans for huge numbers of satellites go ahead — plus, the ...

I've taken incredible photos of this interstellar comet for more than a month using two tiny iPad-connected scopes in my ...

The research also suggests that these massive stars transformed directly into black holes at the end of their lives without ...

James Webb Space Telescope data reveals chemical evidence of massive early stars, offering clues about the formation of supermassive black holes ...

On a mountaintop better known for sunrise selfies, UH Mānoa scientists are quietly teaching a computer to unravel the Sun.

Comet 3I/Atlas will pass within 167 million miles of Earth on Friday before zipping past Jupiter and out of the solar system, ...

Space is filling up with satellites, and that’s bad news for astronomy. Researchers already knew that artificial satellites ...

The interstellar comet 3I/ATLAS, ejected from a distant star system, is now revealing the alien building blocks of other ...

New research shows how the star's powerful outbursts could help scientists assess which worlds might support life.