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 ...

Scientists are sharpening the methods used to search for alien artifacts inside our own solar system, drawing on recent peer-reviewed studies published in The Publications of the Astronomy Society of ...

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 ...