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

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 ...

I don’t believe it’s an accident that Noah Hawley titled Episode 6 of Alien: Earth “The Fly.” The series comes back to the present tense to further explore the nature of humanity in the experiments on ...

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

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

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’ ...

China is waging a 72-year, $56 billion war against its own deserts, planting 100 billion trees across an area larger than ...

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

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

It’s not Pokemon or Sailor Moon! Check our top 10 picks from the 1990s anime era that still live up to masterpiece status.