A well-worn expression among oceanographers and others who explore the watery depths of planet Earth is that we humans “know the surface of Mars better than our ocean floors.” Covering more than 70 ...

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

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

This consciousness begins in Israel and radiates outward. It demands sweat, blood, tears of sorrow and tears of joy. The arena of our mission is not Mars, but the broken places of Earth: Africa, Asia ...

Independence Day almost had a different title. Though today there are a multitude of movies that focus on alien invasions, ...

Photos of amazing, almost unreal places Who needs fantasy? Earth is full of “alien planets” and surreal beauty beyond ...

Highway 395 is one of those roads where people tend to keep their foot on the gas, eyes fixed on distant destinations, ...

NASA's Curiosity rover found pure sulfur crystals inside a rock after backing over and accidentally crushing it on May 30, ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

Deep oceans of magma once sloshed about inside the crust of Mars, seismic measurements taken by NASA's InSight mission ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

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