Scientists have discovered a new species of flatworm, the deepest free-living one ever recorded, in the Pacific Ocean's Kuril ...

The curious minds at What If explore what would happen if we found alien life on Enceladus.

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the ...