Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

One of them is about 4.2 light years away - more than a whopping 24 trillion miles from Earth! Find out more here.

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

A former NASA developer has analyzed 1950 photographic plates showing nine unexplained objects in Earth's orbit, years before ...

The "Alien" timeline has become quite busy in the last decade, thanks to Ridley Scott's 2010s prequels and 2024's "Alien: Romulus." So, audiences might be confused about when the new TV series, "Alien ...