The trick isn't to just search for biosignatures, but rather to look at how they are organized — and the Europa Clipper has ...

The Alien franchise has always understood something most sci-fi releases eventually forget: space should feel terrifying. Not ...

Titan is one of the most Earth-like worlds yet completely alien. With methane seas and a dense atmosphere, it offers a ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines a very different kind of solar system that could harbor life-forms we haven ...

A NASA astronaut saw a streak of brightly lit objects entering Earth in a straight line from the space station. There is no ...

Alien is widely regarded as the pinnacle of the sci-fi horror genre, but there are at least six other movies that rival its ...

A rendering of the mid-air deployment of one of the SkyFall copters. (NASA Jet Propulsion Laboratory/AeroVironment, Inc.) ...

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...

New research suggests that many planets previously considered promising for life may, in fact, be far less hospitable. A distant planet might sit in the perfect orbit for life, with temperatures just ...