Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.

There are millions of rocks orbiting between Mars and Jupiter in a region known as the main asteroid belt. They sometimes get pushed out of the belt and pick up a new course, such as this one.

Ryugu, a 900-meter diameter asteroid in the Apollo belt, has recently proven useful in our search for signs of life's precursors elsewhere in our solar system. A team of researchers at Kyoto ...

There are so many asteroids orbiting between Mars and Jupiter — millions of them — that this region is known as the main asteroid belt. They sometimes get pushed out of the belt and can end up ...

Most asteroids rather conveniently live in a place between Mars and Jupiter known as the asteroid belt, but some can make their way a little closer to earth, where they can cause problems.

Instead, 20008 Adacarrera is a “main-belt” asteroid that floats comfortably in the asteroid belt, always staying between the orbits of Mars and Jupiter. Amongst millions of other floating space rocks ...