There are tens of billions of Sun-like stars in the Milky Way, an immense tally that encourages the possibility that extraterrestrial life peppers the universe. Finding evidence for aliens - even ...

If alien civilizations once existed, their relics could still be out there. Xenoarchaeology imagines how humans might study artifacts not of Earth but of other worlds. Drone footage captures flooding ...

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 ...