Asteroid Vesta, long considered a stalled protoplanet, may actually be a massive fragment of a larger world that once existed in our solar system. New findings based on gravity-field mapping and ...

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

Vesta’s classification has vexed astronomers for decades, but a recent study is forcing planetary scientists to reevaluate its internal structure.

Astronomers using the James Webb Space Telescope (JWST) have made an unprecedented discovery that promises to reshape our ...