Jupiter currently shines as a brilliant silvery "star" in the constellation Gemini the Twins, low in the east-northeast sky ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

The sun’s outer atmosphere resembles a pufferfish.

The two biggest planets in our Solar System in one telescope view. And catastrophe is imminent. If Jupiter and Saturn ...

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

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Scientists have finally worked out where the most common kinds of planets come from. “The four planets we studied will likely ...

One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet ...

The planets of the solar system orbit the sun in a complex and ever-shifting ballet, which can see them appear as glorious ...

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 ...