The curious minds at What If have explored the discovery of a planet that could potentially host alien life.

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

Scientists in a recent breakthrough have discovered vast hidden magma systems beneath the surface of Mars, marking an “unexpected discovery” leading the researchers closer to finding ...

A massive and unusual exoplanet, TOI-5205 b, is offering astronomers fresh clues about how planets form and evolve, and raising new questions about long-standing theories. The Jupiter-sized planet ...