Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's ...

The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought experiment to it, highlighting everything ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

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

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, astronomers detected a strange, fast-moving object racing toward the Sun. Named ...

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 ...

Water once flowed through asteroid Ryugu and possibly in early solar system, Japanese researchers claim Experts have ...

Several well-known meteorite discoveries are still a mystery. Avi Loeb’s interpretation of some meteorite debris possibly being of alien origin is controversial, because peer‑reviewed analyses point ...

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 ...

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

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