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 ...

Here are some of the best things to do this weekend in San Diego from Friday, April 24 to Sunday, April 26. Friday ‘Art Alive ...

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 ...

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

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

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

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 ...