Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years ...

Once, a man called the authorities about an "enormous light" that was "blazing" above his house—only to call back shortly to explain it was actually the Moon.

The planet, designated GJ 3378b, orbits the faint red dwarf star in the constellation of Camelopardalis, the Giraffe.

On a clear night, the sky may seem peaceful and empty. Yet beyond the stars visible to our eyes lies a universe so vast that it is difficult to imagine. Our gal ...

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

Purple flags flying at 2 popular Gulf Coast spots due to dangerous marine life. Is Walmart open July 4th? Holiday schedule for 2 ...

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

Minions & Monsters,” the third standalone Minions movie, explores the magic of moviemaking but misses the mark, says ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...