The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

Buckle up. We're going to take the orbit of this rock and kick it into high gear. Behold the Moon breaking its planetary speed limit. How would this event flood cities? What would happen to the ...

The NASA/ESA/CSA James Webb Space Telescope has discovered a new moon orbiting Uranus. The moon, designated S/2025 U1, is ...

NASA is inviting the public to add their names to a historic lunar mission known as Artemis 2 that is due to launch between ...

The moon is our nearest neighbor in space, at an average distance of about 238,000 miles. As it orbits our Earth every month or so, it appears to pass by stars and planets in our night sky … or, at ...

NASA's Artemis II is poised for the first lunar mission since 1972—with much more to come.

Almost 60 years after America won the first space race, the moon is once again the focus of a competition… Read More ...

It’s been 54 years since the last Apollo mission, and since then, humans have not ventured beyond low-Earth orbit. But that’s all about to change with next week’s launch of the Artemis II mission from ...

As they fly around the moon, the four astronauts of NASA's Artemis II will see views never seen by the human eye. Here's how.

The excitement is building as NASA works toward launching its first crewed lunar flight in more than five decades. The Artemis II mission, which will take four astronauts on a 10-day voyage around the ...