The region where the gravitational influence of Earth is the dominant force, is called the Hill Sphere. This extends up to ...

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

The Moon, our constant celestial companion, is drifting away from Earth at a slow but measurable rate. According to a ...

Over 14,000 pieces of junk are clogging up low Earth orbit, but this number could be reduced by a new invention that involves ...

Related reading: Earth's temporary extra satellites may have an unexpected origin.

Just like litter is a big problem on Earth, space junk is cluttering up outer space. To dispose of this junk, a Tohoku University researcher demonstrated the utility of a special plasma thruster.

Experts have warned that NASA's asteroid deflection system could inadvertently send one towards Earth. The Double Asteroid ...

This artist's concept depicts the NISAR satellite in orbit over central and Northern California. - Indian Space Research Organization A first-of-its-kind satellite has launched to track nearly ...

New research warns that if we don't hit an asteroid in exactly the right spot, it could end up on a collision course with ...

When engineers at a control center in Turin, Italy, sent a faint radio signal into space, they set off a world-first ...

(CNN) — A first-of-its-kind satellite will soon launch to track nearly imperceptible changes on Earth’s surface, an effort that could aid with responses to natural disasters. Called the NASA-ISRO ...