If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other planetary ...

It covers nearly three-quarters of our planet but the ocean floor is less mapped than the moon, an astonishing fact driving a ...

Sometimes sleep takes priority over cool celestial events. Luckily, you can catch a partial solar eclipse this month and a ...

Liquid from the ocean, scientists believed, could be escaping through cracks in the moon's icy crust ... in winter to prevent them from freezing over. This effect, combined with heat from friction ...

King tides bring the highest tides of the year, resulting in flooding across coastal areas, even on a cloud-free day.

An orange or red moon outside of a lunar eclipse ... up from mid-June through mid-August, when it moves over the tropical North Atlantic Ocean every three to five days. “During this peak period ...

"Tidal forces from Saturn pull on the shell of Enceladus as the moon orbits the planet, just as the sun and moon cause ocean tides on ... it could be just 6km thick over the south pole, making ...

Lunar phases depend on the position of the moon relative to Earth, so the moon enters its new phase at the same time all over the world ... in the eastern Indian Ocean, Australia, and the western ...

It turns out that the answer can vary dramatically over a very short distance ... [Related: The moon was once covered in an ocean of magma: new data supports theory.] Crucially, this last effect ...