NASA's most distant spacecraft had a critical thruster problem far from home. Fixing it required a long-distance call to ...

A brand-new group of frozen objects, orbiting the sun out beyond the distant Kuiper Belt, has been spotted by the Subaru ...

The closest passed within 326,000 miles of our planet yesterday — “a safe distance,” per NASA Solar System Ambassador Brenda Culbertson. These interstellar pebbles are Near Earth Asteroids ...

NASA's Voyager 1 spacecraft took a photo of Earth and the moon. It was the first time both the Earth and the moon were ...

A NASA spacecraft erected a large, foil solar sail in orbit around Earth last week, after a failed attempt days earlier.

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Amateur astronomers can use NASA's mobile app to find the ACS3 for themselves—a reflective satellite that could appear as ...

NASA is weeks away from sending its Clipper orbiter on a journey to the Jupiter moon Europa, which scientists believe could ...

Scientists say microscopic black holes could explain the elusive "dark matter" that makes up a quarter of all matter in the ...

NASA's Europa Clipper spacecraft is nearing its launch date. The small probe is set to explore one of the most promising ...

NASA's Advanced Composite Solar Sail System (ACS3) can be seen with the naked eye as it orbits Earth, and can be tracked with a helpful app. An experimental NASA solar sail can be seen in the ...

NASA is working on discovering exactly what time it is on the moon by creating a standardized time zone. The space agency ...