If alien civilizations rise and fall, they may leave behind artifacts long after they are gone. From abandoned megastructures ...

Good news, if you've ever wanted to fire up No Man's Sky and roleplay as a guy who likes dinosaurs so much he's made it a career and also somehow managed to shag Jennifer Aniston, today's your lucky ...

Every few years, a new “mystery metal” surfaces and the internet races to declare it proof that we are not alone. Shiny shards, polished spheres, and desert monoliths are quickly framed as alien ...

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...

First contact with alien civilizations won’t be with the beings themselves, but with their technology. By searching for these extraterrestrial artifacts, we embark on a journey through our solar ...