The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

A fluffy, Jupiter-sized planet may be triggering deadly flares from its star, leading to the slow destruction of its own atmosphere.

Stargazers in the U.S. can see Venus rising around 3 a.m. local time, with the Pleiades star cluster visible as a smudge of ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

NASA has confirmed that a mysterious object hurtling towards us is an "interstellar object" that has entered the Solar System ...

The host star, HIP 67522, is slightly larger and cooler than our Sun. But unlike our middle-aged star, this one is just 17 ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...