Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The composite image shows seven of the solar system's planets from Earth, after sundown on Feb.

A clear look at the discovery of 40,000 near-Earth asteroids, how scientists track them, and the missions working to keep our ...