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 ...

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 ...

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 ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Priscilla Diane Chapman Frisch, a University of Chicago Research Professor in Astronomy and Astrophysics and a world-leading ...