Earth's temporary asteroid friend last year was a chunk of its real moon that had been blasted into space thousands of years ...

The asteroid is about 33 feet (10 meters) across and poses no danger to Earth. It joins another known lunar asteroid ...

In the United States, funding for planetary defense has long had strong bipartisan support both inside and outside of ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

Emily Simpson, a passionate space enthusiast and recent Florida Tech graduate, has published groundbreaking research that imagines an alternate version of our solar system. Instead of the asteroid ...

The sun’s light exerts a tiny force called “solar radiation pressure” on objects in space. Lightweight human-made debris, ...

NASA's documentary, “Planetary Defenders,” will take audiences inside the high-stakes world of asteroid hunting and planetary defense.

The case of mistaken identity was quickly resolved, but astronomers say it shows the need for transparency around craft in ...

It is thus only fitting for a goddess to be named for none other than the door hinge: Cardea. And now, thanks to Clay ...

A near-Earth object was likely ejected into space after an impact thousands of years ago. Now it could contribute new ...

Roughly 201 million years ago, drastic changes extinguished many forms of life and led to conditions that allowed the ...

Michigan State University and NASA researchers discover seven dark comets that reveal new solar system secrets.