On Sept. 21-22, a partial solar eclipse will see the moon sweep over the sun's disk, blocking its light over a swathe of the ...

What lies beyond Neptune? Is it just empty space… or something far more mysterious? In this video, we explore the fascinating story of the Oort Cloud – a gigantic, icy sphere that surrounds our Solar ...

Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the ...

NASA's IMAP mission will give Earthlings a sort of early warning system when solar weather may affect satellites and global ...

The coldest planet in the Solar System is Uranus, which is surprisingly colder than Neptune due to its unique internal heat ...

Tom Zega, a University of Arizona scientist who's worked on samples brought back from the asteroid Bennu, tells The Show more ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS.

A research team led by geophysicists at UC San Diego’s Scripps Institution of Oceanography provides an explanation for ...