NASA is monitoring a bus-sized asteroid as it makes its closest approach to Earth today, among a group of five space rocks ...

For centuries, scientists have sought to understand the origins of meteorites that fall to Earth. Recent research has ...

For an hour, HERA flew as close as 5,600 kilometers from the Martian surface, at a speed of 33,480 kilometers an hour. It ...

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

A BIG asteroid, roughly the size of an aeroplane, is hurtling towards Earth. NASA is tracking its trajectory closely., ...

NASA's Lucy spacecraft, on its way to Jupiter's Trojan asteroids, has its next target in its sights: the main belt asteroid 52246 Donaldjohanson. Currently 45 million miles (70 million kilometers ...

The majority of asteroids orbit the Sun in the main asteroid belt, located between Mars and ... to much smaller bodies less than 33 feet (10 meters) across. Despite their vast numbers, the ...

Most of the time these asteroids remain restrained within that interplanetary belt by Jupiter's gravitational field, unable to coalesce into a larger body. But occasionally another asteroid or the ...

2024 YR4 is not very large, only between 40 to 90 meters (130 to 300 feet ... and large asteroids like it tend to remain stable in the asteroid belt. But the smaller ones in the decameter size ...