Some UFO cases remain difficult to explain, but that is only the beginning of the scientific question. The evidence needed to ...

A new study proposes searching the moon for remnants of ancient extraterrestrial technology. Researchers suggest the moon's surface could preserve microscopic "technosignatures" left by alien ...

Professor Brian Cox says finding intelligent aliens would ease a fear he finds 'terrifying,' that humanity might be alone in ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...

Suppose an alien civilization discovers Earth and decides to investigate. Before it chooses a landing site or considers how ...

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

(CNN) — Americans’ opinion of space exploration is pretty high. In an Ipsos poll conducted last week just after the launch of Artemis II, US adults say, 62% to 34%, that the benefits of NASA sending ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Scientists have searched the skies for alien radio signals for more than 60 years, but all ...

Actually, I take back my previous comment. What we do know is that all Martians are green when they arrive on Earth. That’s only logical, given the distance and time they’ve had to travel between Mars ...