planet

First images: planet building blocks orbiting nearby star

An astronomer made a super-Earth between Mars and Jupiter that could end life on our planet

Baby planet born to proud planetary disk mother observed by astronomers using new method

Uranus and Neptune are non-identical twins – now we know why

Why are planets spherical?

Brown dwarfs that are doubly cool

Super-Earths discovered orbiting a red dwarf star

A 'pre-teen' exoplanet with two suns

Maths confirms Pluto's not a planet

Meet our Solar System's twin

A leap forward in the hunt for Earth-like planets