The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

Astronomers are uncovering distant worlds beyond our solar system using ingenious indirect methods like observing stellar ...

Learn how the discovery of a young planet orbiting two suns is revealing how worlds form and survive in binary star systems.

A network of powerful ground-based telescopes captured rare starspot-crossing events on TOI-3884b, revealing cooler patches ...