The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually. In a new study, planetary scientist Julio A. Fernández of Uruguay’s Universidad ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Saturn seems to have snatched its first known Trojan asteroid, designated 2019 UO14, a few ...

The International Astronomical Union (IAU) currently recognizes five dwarf planets in our solar system, though there are likely many more. The most famous of the bunch is Pluto, way out beyond the ...

Between the orbits of Mars and Jupiter lies a ring-shaped region called the asteroid belt, home to the vast majority of our solar system’s space rocks. The asteroid belt is as old as the solar system ...

The asteroid belt was a vast collection of rocks that was believed to be the remains of a planet that never formed. During the formation of the solar system 4.6 billion years ago, Jupiter's ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the asteroid belt between Mars and Jupiter, harbored the right conditions to ...

Researchers from Tokyo Institute of Technology claim that analysis of Mars' composition supports the idea that it was originally formed in the asteroid belt, and then migrated to the inner solar ...

Millions of asteroids, not a planet, exist in the asteroid belt. The asteroid belt's total mass is only a small fraction of the Moon's mass. Meteorite analysis suggests the asteroids didn't originate ...