You don't need a rocket ship to visit another world. Right here on planet Earth, there are bizarre landscapes that defy ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life. An astronomer explains.

Spots were speculated to be everything from alien cities to geysers. — -- Scientists have finally cracked the mystery of the unexplained lights on the dwarf planet Ceres that were speculated to ...