Regulus, a distant star, Venus and our moon will be visible during a conjunction tonight, and how Californians can best see ...

See the epic view of the moon and Earth captured by the Orion spacecraft ahead of its outbound powered flyby. Credit: NASA / time-lapsed by Space.com's Steve Spaleta Music: Kepler's Hope by Year of th ...

The crescent moon aligned with Venus and the bright star Regulus on September 19, creating a rare celestial conjunction in the morning sky. Viewers in the Northern Hemisphere can still spot the trio ...

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

Did you see the bright star next to the moon? That was Venus, and part of a conjunction between the moon, Venus and the star ...

Watch the Sept. 21 partial solar eclipse live online with this handy livestream. Coverage begins at 2 p.m. EDT (1800 GMT).

Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...

Celebrity Cruises’ seven-night Iceland Total Solar Eclipse itinerary (Aug. 8-15, 2026) onboard Celebrity Silhouette sails roundtrip from Reykjavík; and its 14-night Med, Spain & Portugal Total Solar ...

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.

As of Friday, Sept. 19, the moon phase is Waning Crescent, and it is 5% lit up to us on Earth, according to NASA's Daily Moon ...

NASA has just shared one of its most impressive Mars panoramas to date. Captured by its trusty Curiosity rover, the panorama (below) of the Martian landscape comprises 44 images taken by the rover’s ...

A lookout point in the foothills of Mount Sharp, a 3-mile-high mountain, allowed the rover to see all the way across Gale Crater 's floor. Near the center of the image is Peace Vallis, an ancient ...