The Cluster is a form of life organized on principles so different from anything on Earth that understanding it requires dismantling most of what you think life means — and the video that explains it ...

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 ...

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial to understanding Titan’s complex chemistry ...

A pair of stubborn molecules, prized because they can survive deep time, just passed an important Mars test by failing a very different one on Earth. The molecules are pristane and phytane, ...

It’s been a week since Disclosure Day’s release, and the nation’s biggest believers in extraterrestrial life are all abuzz. Steven Spielberg’s latest film—which stars Emily Blunt and Josh O’Connor as ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a “lunar biocontainment facility.” Reading time 3 minutes International ...

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero conditions, while Nasa dismisses claims it is an alien probe.

Weeks before a body matching her description was found, a missing South Carolina fitness trainer told her best friend she was "scared for her life." A person fitting the description of Elena Katherine ...

South Carolina personal trainer Elena Katherine Moore mysteriously told a friend that she was “scared for her life” just days before she vanished in a wooded area where her body was later found. “She ...