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 ...

Astronomers are adopting new strategies in the search for extraterrestrial intelligence. A study in Monthly Notices of the Royal Astronomical Society suggests using Earth’s shadow to detect alien ...

A strange interstellar object is hurtling its way toward our pale blue dot — and according to a Harvard astronomer, there’s a chance it’s not a benign asteroid or comet, but instead some harmful form ...

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 ...

To be sure, I relished the idea that alien artifacts would be simply incomprehensible to us, even if useful. If you sent 5.25" floppy disks back to medieval times, knights might decide that they make ...

A lot of folks, human and otherwise, seem very interested in getting their hands on the newly crash-landed alien specimens. What could go wrong? By Sean T. Collins The “Alien” franchise explores two ...