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

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 ...

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

An unexpected guest has made its way into our Solar System. It’s an interstellar object, an ISO. And it’s tumbling through ...

When a hunk of ice from another star system hurtles through our cosmic neighborhood, astronomers pay attention. When that ...

Planets orbiting such stars may have a better chance of retaining their atmospheres and developing conditions suitable for ...

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

If you are a lover of space exploration, movies, and video games, the past month or so has been one of the most exciting ...