There might be alien life on a nearby moon, scientists say - Saturn’s companion Enceladus has long been a particularly ...

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 ...

Saturn's moon may aid in the search for alien life by making some ocean compounds easier for future spacecraft to detect.

(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 ...

If ancient alien explorers ever traipsed through Earth's cosmic neighborhood, could it be possible they left behind some interstellar litter on the moon?

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 ...

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 ...