Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our understanding of how planets take shape — not only in our solar system, but ...

Jupiter, the largest and most mysterious planet in our solar system. A gas giant so massive it could swallow 1,300 Earths, ...

Astronomers witness first moments of planet formation as rock grains crystallize around distant star HOPS-315.

Answer 17: A meteoroid is a small rocky or metallic body in space. A meteor is the streak of light produced when a meteoroid ...

Astronomers have recently uncovered a remarkable planetary system around the faint orange star WASP-132, featuring two ...

Astronomers have discovered the earliest seeds of rocky planets forming around a baby sun-like star, an unprecedented ...

The hunt for potentially habitable rocky planets in our galaxy has been the holy grail of exoplanet studies for decades.

Two meteorites found in the Sahara in 2023 might be from Mercury, a study suggests, but doubts remain due to how little is ...