Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s ...

A half century after NASA's Apollo 17 lunar module lifted off the moon's northeastern near side quadrant, planetary scientists still don't completely understand when or how our moon first formed. They ...

Look to the southeastern horizon at sunset on June 29 to see the Strawberry Moon climb into the early summer sky, embedded ...

Neptune’s third-largest moon, Nereid, could be an intact survivor from the planet’s original satellite system, upending ...

This goes against the previous theory, which has long suggested that Nereid is actually an object captured from the Kuiper ...

Nuclear power plants are safer than many suspect. But putting reactors in space is a concept with a checkered history. One ...

The Pentagon is also investigating a photo from the mission showing three bright lights in a triangular formation above the lunar surface. These documents were part of a larger release of government ...

NASA has unveiled early details of its Artemis III mission, which in 2027 could send astronauts to Earth orbit to set the ...

Neptune’s oddball moon Nereid may be the sole remnant of an earlier system, formed near the planet rather than being pulled ...

A study suggests that the ice giant's largest moon, Triton, made a dramatic entrance to the Neptunian system long ago, ...

Neptune’s moons have long provided evidence of a cataclysm four billion years ago. A new study suggests one moon may have ...

A bright full moon will light up the sky this weekend as it rises in Scorpio. Here's what to know about the special May 2026 flower moon. Tonight's full moon will be the May flower moon, but not the ...