The case for a newborn ocean on Saturn's moon Mimas continues to build.

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

China hailed as a success its pre-dawn launch on Tuesday of a robotic spacecraft to bring back rocks from the moon in the first bid by any country to retrieve lunar surface samples since the 1970s, a ...

The moon has long puzzled scientists with its “two faces.” The near side, which always faces Earth, looks very different from ...