A rare image reveals a giant planet clinging to two stars, helping scientists understand how planets survive in chaotic star systems.

Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has stumped scientists. Most of the stars across the Milky Way are small red dwarfs ...

Across the Milky Way and beyond, planetary systems appear to fall into a few recurring blueprints, and recent exoplanet ...

By tracking tiny stellar wobbles, astronomers have detected planets forming around young stars for the first time.

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

WASHINGTON (Reuters) -Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star. The discovery defies current understanding of how ...

New simulations examine whether the seven planets in the TRAPPIST-1 system could host moons, showing that only small, close-orbiting moons could remain stable over long periods ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

Earth exoplanets orbiting M-dwarf stars, identifying specific candidates that may have retained detectable atmospheres.

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.