Dubbed 3I/ATLAS, the comet poses no danger to Earth and will remain roughly 150 million miles away as it speeds by.

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

Astronomers have discovered semi-heavy water ice around a young sunlike star, reinforcing theories about the origins of water ...

Astronomers are excited about the first test images released today from the Vera C. Rubin Observatory, which show the ...

No telescope has basked in the night sky quite like the enormous new Vera Rubin Observatory. Here's what it could reveal about the universe.

Astronomers have discovered over 100 new alien worlds so far this year — some many light-years away from Earth — that ...

A team led by astronomers at Leiden University in the Netherlands and the National Radio Astronomy Observatory in Virginia (U ...

July will kick off with colorful flashes of light during Independence Day celebrations across the United States, but the ...

Yucatan's Chicxulub crater marks one of our universe's most momentous historical events: when an asteroid strike killed 75% ...

And astronomers have a brand-new, superpowerful eye with which to see the changing cosmos: the Vera C. Rubin Observatory in ...