The strangely shaped object - snapped by NASA's Opportunity rover - has resurfaced and reignited wild theories about little green men on the Red Planet ...

Scientists in a recent breakthrough have discovered vast hidden magma systems beneath the surface of Mars, marking an “unexpected discovery” leading the researchers closer to finding ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

Scientists now believe life may be found on the notoriously inhospitable planet of Venus – but they believe it will have come ...

The designer behind Ultima Online and Star Wars Galaxies wants you to govern, exploit, protect, and transform your own planet ...

Stacker compiled a collection of 70 images that show how the '70s changed the world. See photos of the decade's defining ...

Edward Leedskalnin was a tiny Latvian guy who got his heart broken and decided the appropriate reaction was to build an ...

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

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...