If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...

Footage captured by the Firefly Aerospace lunar landing mission shows our planet peeking out behind the impressive bulk of ...

New evidence from an old NASA mission supports the theory that Jupiter's moon Callisto is in fact an ocean world. Credit: NASA / JPL / DLR A moon of Jupiter about the size of Mercury likely has a ...

We're sharing our best tips on how to photograph the moon and with the total lunar eclipse on March 13-14 — discover the ...

Athena is "slated to land in Mons Mouton, a lunar plateau near the Moon's South Pole, as part of NASA's CLPS (Commercial ...

The point of greatest eclipse falls over the Pacific Ocean, making it an unforgettable ... However, the full moon will set at 6:22 a.m. GMT, just before totality begins, so the only spectacle ...

Liquid from the ocean, scientists believed, could be escaping through cracks in the moon's icy crust. Researchers at Dartmouth College set out to understand exactly how these geysers form ...