Looking at the Moon through binoculars or a telescope reveals a topography that hints of a violent history. Here’s a look at ...

This week, NASA released the first image from the Europa Clipper spacecraft's voyage. The image is a mosaic of a star field, created from three shots the solar-powered orbiter captured in December of ...

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

Earlier on Monday, the almost full moon had been seen rising in the east, with Mars just below and to the left. Above Mars were two bright stars—Pollux and Castor in Gemini. The "Wolf Moon" as ...

A moon comes out of a lunar eclipse as it sets past an ocean pier. Stars shine around the moon during the total lunar eclipse above the Mojave Desert.