Ganymede and Europa transit Jupiter tonight, while Io disappears in an occultation. West Coast observers can catch a double ...

Our solar system appears to be very stable. The orbits of planets, moons, comets, and other objects are predictable enough to ...

On May 21, ground controllers powered down NASA’s AWE (Atmospheric Waves Experiment) instrument, bringing the data collection ...

Looking back at 14 years of Hubble telescope data for Jupiter's moon Europa has given Southwest Research Institute (SwRI) ...

Looking back at 14 years of Hubble telescope data for Jupiter’s moon Europa has given Southwest Research Institute (SwRI) ...

Swipe Down for Full Video Story Io, one of Jupiter’s four largest moons, feels like it belongs in a science fiction nightmare ...

A gradual dimming and brightening when a star passed behind it suggested the mini-Pluto was wrapped in a thin layer of air. By Kenneth Chang A small world about 300 miles wide and 3.5 billion miles ...

Like April, May opens with a Full Moon as our satellite officially reaches this phase at 1:23 P.M. EDT. The month of May also carries 2026’s first — and only — Blue Moon, with a second Full Moon ...

NASA officials were all smiles in their post-splashdown news conference Friday night from Houston, with exploration ground systems program manager Shawn Quinn describing Artemis II's successful return ...

The Artemis II mission, the first human trip near the moon in over 50 years, is scheduled to return to Earth. The Orion spacecraft will splashdown in the Pacific Ocean off the coast of San Diego on ...

You can probably conjure this vision of the moon—hold the image in your mind and transmit it off this planet and onto our shining opalescent companion. Peaks in the sun? I’ve seen that. This week, we ...

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