Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...
New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.
Astronomer Jill Tarter has been scanning the skies for signals from intelligent aliens for the past 35 years, but now she's making a career change. Tarter, the inspiration for heroine Ellie ...
A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...
Add Yahoo as a preferred source to see more of our stories on Google. Where are all the aliens? No, I don’t mean microbes on Mars or creatures swimming beneath the ice crusts of Europa or Enceladus, ...