Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in our galaxy? And what if this faraway planet was home to billions of humans, ...

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...

Spielberg’s sci-fi blockbuster starring Emily Blunt and Josh O’Connor may be spectacular, but it misjudges how much humans are prepared to tolerate abuse of groups we see as ‘other’ ...

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

Lilo & Stitch 626 #2 hits stores Wednesday! Can Stitch learn to swim, or will a giant squid ruin everything? Plus: flashback ...

The researchers pitted commercial AI models against experienced fundraisers working on behalf of the charity Save the Children. Across more than 1,000 conversations, Claude Opus 4.6 was nearly three ...

Netflix keeps going bigger with the scale of its reality competition series. The streamer's offerings have run the gamut from family-friendly fare like Floor Is Lava to intense tests of human limits ...

As AI-generated characters proliferate, Hollywood is confronting questions about authorship, artistry and whether a program ...

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 ...