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 ...

An unusual looking 33-foot-long object discovered orbiting Earth last year may have come from a surprising place.

Recent studies have revealed that, until now, Hot Jupiters seem to be the only planet in orbit around their host star. This ...

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