Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

There’s dozens, maybe hundreds of movies where “America!” is the predominant theme—some reverent, some scathing, all of it ...

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from ...

Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” – Arthur C.

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

These forgotten sci-fi shows are practically flawless, including the game-changing space opera Babylon 5 and the underrated ...

In 1947, pilot Kenneth Arnold's report of strange objects over Mount Rainier and a fateful media misquote created the 'flying ...

The evacuation status for some areas of northern Arizona has been adjusted as crews work to contain the Pocket Fire.

NASA's Swift Observatory is in peril. A last minute mission to save it could make spaceflight history. Here's everything to ...