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

There were some shocking developments at the end of "Invincible" Season 4 that could have huge ramifications for the future ...

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

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 ...

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

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

Babylon 5 didn’t just become a sci-fi classic — it helped lay the foundation for the serialized storytelling style that ...

Exclusive: For All Mankind's executive producers Matt Wolpert and Ben Nedivi discuss just how far humans will go to explore ...