The Minor Planet Center in Cambridge, Mass., officially registered the new space rock Jan. 2, saying it was spotted hurling ...

For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

With a friend in the White House, the tech billionaire's extraterrestrial ambitions are ready for lift-off - but not ...

What an amateur astronomer recently took to be a newly-discovered asteroid turned out to be a Tesla Roadster voyaging through ...

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

Earlier this month, the Minor Planet Center announced the discovery of an unusual asteroid close to Earth. Turns out, it was ...

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, ...

Mars, the enigmatic Red Planet, has long puzzled scientists with a dramatic geological contrast between its hemispheres, ...

The asteroid is estimated to be between 656 and 1,443 feet across, and will pass at 16 times the distance to the moon.