Dec. 19 (UPI) -- Comet 3I/ATLAS passed its nearest point to Earth early Friday and approaching within 168 million miles.

An interstellar comet believed to be billions of years older than the Sun passed its closest point to Earth on Friday, giving ...

I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system.

Is Comet 3I/ATLAS the Oldest Comet Visitor from the Solar System? Learn about Comet 3I/ATLAS, its origins, discovery, why it ...

NASA's Pleiades supercomputer has provided fresh insights into the Oort cloud – a vast, theoretical spherical shell of icy objects that surrounds our solar system. For a long time, the Oort cloud's ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led ...

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Comet Lemmon was discovered in January 2025 and made its closest approach to Earth in late October 2025. But by November 2025 ...

And the earth was without form and void, and darkness was upon the face of the deep. Sometimes, if the night is dark and clear enough, you can look up and see the Milky Way in its arc across the sky.