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.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: ALMA(ESO/NAOJ/NRAO)/M. McClure et al. Astronomers have witnessed the birth of a planetary ...

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

New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...

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

Artist impression of the four classes of planetary system architecture. A new architecture framework allows researchers to study an entire planetary system at the systems level. If the small planets ...

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