So what is your favorite planet?” As museum educator Melissa Moeller opened up her presentation on the solar system Saturday ...

Short-lived radioisotopes such as aluminum-26 influenced early solar system heat, water retention and the formation of Earth-like rocky planets, according to meteorite analyses and models.

Bright full moons, dazzling meteor shower displays and remarkable total eclipses will give stargazers plenty of reasons to ...

Three supermoons will lighten up the night skies in 2026, the stunning result when a full moon inches closer to Earth than ...

What seemed like new planets around Fomalhaut were actually expanding dust clouds from violent planetary collisions seen by Hubble.

JWST observations of the ultra-hot super-Earth exoplanet TOI-561 b provide the strongest evidence to date for an atmosphere surrounding a rocky planet beyond our Solar System.

Planetary alignments, a total lunar eclipse, and meteor showers are highlights to look for in the coming year.

Jupiter, as always, is a dazzling object, shining among the stars of Gemini the Twins. It reaches opposition on Jan. 10; this ...

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

Every year brings different shifts that you can harness to make your wildest dreams a reality, but 2026 is full of rare, game ...