Emmanuel Damas, 56, was living in Dorchester until his arrest last year. He died earlier this month in Arizona where he was being detained by ICE. Family photo ...

Andy Weir discusses his science-fueled novel “Project Hail Mary,” which has been adapted into a film that opens in theaters ...

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

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

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.

By snatching chloroplasts from algae, animals called sacoglossans produce their own energy through photosynthesis ...