The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Jupiter's Great Red Spot has been the biggest storm in the solar system for centuries. But lately, it seems to be shrinking..

Pete Hegseth's nomination to lead the Pentagon clears a key hurdle in the Senate Scale AI CEO Alexandr Wang on U.S.-China AI ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

"There are still many things related to planetary formation and the early evolution of young planetary systems that we don't ...

In case anyone missed the January planetary alignment, two more are expected to be seen in the night sky in February, with ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Stock illustration of all the solar system's planets. Mars, Venus, Jupiter, Saturn, Uranus and Neptune will be visible all at once this month. Stock illustration of all the solar system's planets.

You might want to keep your eyes on the skies through next month: Six planets will align in January and February.

Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century is now taking place. Here's how to see it.

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

In the early evening, look to the southwest and you'll see Venus (the brightest object in the sky after the Sun and Moon) and ...