A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological self-destruction — and it therefore may not want to talk to us.

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

After her initial test run, she cultured a regular sample, as well as the shocked sample so she could compare them side by ...

Winter in Antarctica is long and dark. Temperatures remain well below freezing. In many places, the sun sets in April and ...

Ryan Gosling couldn't be more charming in "Project Hail Mary," based on Andy Weir's novel. Comparisons to "The Martian" aside ...

Antibiotic use has been linked to changes in the gut’s bacterial species that can last for four to eight years 1. The gut ...

"Extremophile" bacteria could survive asteroid impacts that are strong enough to launch them into space, suggesting that life could travel between planetary bodies.