Huge numbers of blackchin tilapia, a fish native to west Africa, are wreaking havoc among Thailand’s river ecosystems.

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

Few places on the planet look less like Earth than the Danakil Depression, a scorched, sunken stretch of northeastern ...

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 ...

Teetering near endangered status, the starlet sea anemone produces “an ancient mechanism” for fighting viruses that ...

An unusual destination in the Caribbean that some call the "eighth wonder of the world" is a scientific marvel with life ...

Ash begins with Riya Ortiz waking inside a blood-soaked station on KOI-442, the distant planet called Ash, with no memory of ...

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

The interstellar comet emitted methane, a potential biosignature, as it passed the sun, physicist Avi Loeb says.

Octopuses, bees, and dogs all process information differently. Even within the narrow confines of one planet, evolution produced a wide range of nervous systems rather than a single design. A new ...