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 ...

Modern astrobiology suggests that alien life would not evolve randomly, but under the same ruthless evolutionary pressures that shaped life on Earth. Scientists expect traits like symmetry, vision, ...

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

Scientists tested spraying seawater onto Arctic ice, which showed promising initial results. The treated ice became thicker ...

Long before studios made direct-to-streaming movies, which are pretty decent quality, there were direct-to-video movies, ...

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 ...

From Metroid Prime to Mass Effect 2, these sci-fi games are the very definition of perfection, offering experiences unlike ...

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

Earth’s history has been shaped by five mass extinctions—catastrophic periods when life changed so dramatically that entire ...