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

Two studies suggest Saturn’s moon could both support methane-producing microbes and deliver concentrated traces of biology ...

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 ...

In the sci-fi book and now movie Project Hail Mary, astronaut Ryland Grace, played by Ryan Gosling, encounters three different alien lifeforms in the vicinity of Earth. He joins forces with one of ...

The movies with aliens that most appeal to the cosmic sensibilities of . Excluding Star Wars, Star Trek, and superheroes. In alphabetical order, but beginning with that unavoidable ...

When/if alien life ever cruises toward Earth in big spaceships, we’re probably not just going to see it; we’re going to hear it via narrow radio signals. If an extraterrestrial civilization wanted to ...

Add Yahoo as a preferred source to see more of our stories on Google. Former Area 51 employee Bob Lazar. Courtesy of Luigi Vendittelli Bob Lazar is a self-proclaimed physicist whose claims to inside ...

The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth. By Kai James / The Conversation Published May 27, 2026 8:00 AM EDT This article was ...

(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 ...

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 ...