The sun is Earth's closest star, yet its beauty is too intense to appreciate with the naked eye. Here are some of the most stunning solar images that our satellites and telescopes have captured.

NASA’s new PUNCH mission just opened its eyes to space, capturing its first images of the Sun’s outer atmosphere and the surrounding solar system. With four satellites now fully activated, scientists ...

Sky watchers may see a smiley face beaming down on Earth during a rare alignment between the moon and two rising planets in ...

The first images from a nascent NASA mission showcased the spacecraft's ability to take deep-field images of the night sky.

Award-winning filmmakers Katja Torneman and Peter Blystone showcase captivating wildlife documentaries on Earth Day to raise ...

The Long March-2D, a two-stage liquid-propellant carrier rocket, is capable of delivering multiple satellites into low-Earth and sun-synchronous orbits. Two of the satellites were developed by ...

CAPE CANAVERAL, Fla. (AP) — Four space tourists who orbited the north and south poles returned to Earth on Friday, splashing down in the Pacific to end their privately funded polar tour.

Tributes have poured in for the committed father, who has been called the "quiet force" behind the fasted man on Earth. Usain, 38, had a close bond with Wellesley, who played a major role in ...

(CNN) — A crew of four passengers — led by a cryptocurrency billionaire — is set to launch aboard a SpaceX capsule that will carry them over the Earth ... all come from backgrounds that ...

"NEO Surveyor will be able to find asteroids that approach Earth from the direction of the Sun," Nasa explained. "As well as ones both leading and trailing our planet's orbit, where they are ...

The moon slipped between the Earth and the sun on Saturday, casting a shadow on our planet in parts of the United States, Canada, the Caribbean, Europe, Russia and Africa. In Photos The moon ...

A rare sunrise solar eclipse will be visible from 13 U.S. states tomorrow (March 29), as well as locations in Canada and Europe. Here's how to watch for free online, no matter where you are.