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

For months space enthusiasts were fascinated by a small asteroid that was pulled by Earth's gravity and was fondly referred ...

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

A recent study by researchers from the University of Göttingen and the Max Planck Institute for Solar System Research has ...

So, could PT5 have come from the moon? There's a good chance that it did but how do we know this? Planetary scientists have long studied near-Earth objects (NEOs) and NEAs to understand their origins.