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 ...

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

Cleo’s Bath near Pinecrest is that rare Sierra Nevada gem where granite meets water in the most spectacular way possible, ...

Spend your summer reading cozy romantasy tales, hard sci-fi adventures, ghostly thrillers, and horrifying alt-reality stories ...

After Challenger shattered NASA's ambitions, engineers designed a secret unmanned cargo rocket powerful enough to assemble ...

Do you remember when they said that in space, no one could hear you scream? The tagline for the cult classic Alien movie has, in a way, become a tagline for the whole subgenre of science-fiction, at ...

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 ...

NASA’s Perseverance rover has uncovered the most extensive evidence yet of complex organic molecules on Mars, detecting ...

"If Mars could develop this kind of complex crust without plate tectonics, then maybe the conditions needed for habitability ...

We explore the litany of cinematic deaths of the 1990s and select the five that prove the funniest of the lot. Read more ...