A theory as to why we haven't heard from aliens which renowned theoretical physicist and cosmologist Stephen Hawking agreed with has resurfaced online. Planet Earth is about the size of a speck of ...

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown.

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

The Silver and Black did it again. San Antonio beat the Thunder for the third time in as many matchups, and looked fully in ...