Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

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 ...

NASA is looking not to the stars but back to our planet for inspiration. In honor of Earth Day, NASA’s Kennedy Space Center ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

"It's a profound idea that we are looking at a map of material that could rain on nascent planets and potentially support ...

You may not be able to see it onscreen, but from major franchises to hit series, your favorite TV show may be doing its part ...

Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme ...

The ideas in this particularly juicy conspiracy theory were considered impossible when it was first proposed, but they are ...