A NASA mission, IMAP, will investigate and map the sun's particles and energy across the entire heliosphere, using a ...

A partial solar eclipse on March 29 will be visible from parts of North America. Here's how to safely view the cosmic event, even if you can't be there in person.

Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.

The planets closely orbit Barnard’s Star, zipping around their stellar host in a matter of days, compared with the year it takes Earth to complete one orbit around the sun. The outermost planet ...

Ignoring the many celebrities at the opening of Planet Hollywood, including our embattled mayor, the model contingent only had eyes for Patrick Schwarzenegger, the breakout star of this season’s ...

and the famous cartoon buddies saving the planet. "In my office, I had the poster for 'Invasion of the Saucer Men.' It's one of my favorite posters ever made," the first-time feature director tells ...

Its mass is about 16% of the sun’s and it is far less hot. But its four planets are orbiting so close that its heat has created surface temperatures that would seem to preclude life, much like ...

When Voyager 2 sped past Uranus on January 24, 1986, the spacecraft detected no significant excess heat from the planet, making it seemingly unique among the sun’s giant worlds. However ...

In Aspen, the stars come out during the day. A recent, highly reliable assessment, based on an Instagram account, ranked Aspen the No. 2 spot in the world for close encounters of the celeb kind, with ...

Kepler-452b is the first near-Earth-size planet that orbits around a star the size of the sun, according to Nasa. It is roughly 60% larger than Earth, which gives it a higher chance of being rocky.

That same cloud gave rise to our entire solar system, including our star, the sun. Keep reading to learn more about Earth's different layers, its atmosphere, and what makes the "blue planet" unique.

These events are called planetary parades because the planets seem to line up, one behind the other, in the night sky in the order of their distance from the sun. Depending on the number of ...