Two more of NASA's space telescopes got another look at comet 3I/ATLAS, an interstellar interloper that captured the world's ...

Astrophysicist Edwin Hubble was offered a staff position at the Mount Wilson Observatory in 1919 by the founder and director ...

Massive stars like these are also key players in the cosmic drama of gravitational waves, the ripples in space-time first ...

Our Milky Way is one of more than 100 galaxies bound together by gravity.

Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble ...

Hubble has taken the clearest image to date of the interstellar comet 3I/ATLAS, which is racing through our solar system at ...

NASA’s Hubble Space Telescope has captured the sharpest-ever view of the interstellar comet 3I/ATLAS, revealing clues about ...

That strange interstellar object flying by us may, according to one outlandish astronomer, have been sent by aliens to see ...

Variable stars are being studied on a new scale, thanks to a star map bringing together open clusters and providing ...

Astronomers have gotten a rare close-up look at a galaxy from the early universe and found it’s chock full of star forming ...