A tiny asteroid will begin to orbit Earth starting Sept. 29 and will essentially act as a mini-moon, according to a new study ...

Earth will soon have a visitor — and not of the extraterrestrial kind. Astronomers found a small asteroid that will orbit our ...

An asteroid will come close enough to Earth to temporarily enter its orbit at the end of the month, a phenomenon dubbed as ...

An asteroid will pass so close to Earth on Sept. 29 that it will temporarily be captured by gravity and be our planetary ...

I f astronomers had been walking the Earth 466 million years ago, they may have had something special to see. The moon and ...

The asteroid was discovered in August and is set to become a mini-moon, spinning around Earth in a horseshoe shape for about ...

A new study co-led by the University of Arizona and the Smithsonian offers the most detailed glimpse yet into how Earth's ...

Low Earth orbit is increasingly crowded with new and existing satellites from government and companies around the world, and ...

A new study offers the most detailed glimpse yet into how Earth's surface temperature has changed over the past 485 million years. The data show that Earth has been and can be warmer than today -- but ...

This new floating rock is only expected to orbit the Earth once, beginning its trip Sept. 29 before breaking off from its ...