Tuesday marks the tenth anniversary of a huge astronomical milestone: the first and only time we have landed on a comet. The ...

These four rock stars are embarking on a world tour. NASA has announced that an airplane-sized “city killer” asteroid will skim past Earth today — one of four “hazardous” space rocks to ...

When an asteroid is larger than about 150 meters, or about 490 feet, across and skims past Earth within this area deemed close range, scientists consider it a "potentially hazardous object." ...

Temporary flows of saltwater could explain mysterious gullies and fan-shaped deposits spotted across asteroid Vesta.

It was 50 to 200 times the size of the dinosaur-killing asteroid. It boiled the oceans, drove global darkness for years to decades, and stoked unimaginable tsunamis (thousands of meters deep ...

Scientists know that the vast majority of meteorites that come crashing down to Earth originate from the solar system's main asteroid belt: a region between Mars and Jupiter where irregularly ...

It's here to stay, or at least until Thanksgiving week. But it's not a moon. In fact, it's an asteroid named 2024 PT5. It entered Earth's orbit on Sept. 29 and will be taking up residency in our ...

Scientists predict that the asteroid Apophis may undergo significant surface changes when it makes its close approach to Earth in 2029, according to a new study. The asteroid, named after the ...

The first near-Earth asteroid which is the smallest of the group at around 100 feet across, came within 3.4 million miles of us. The latter, a 170-foot-wide boulder, reached within 2.9 million miles.

ESA's Hera mission has completed the first critical maneuver on its journey to the Didymos binary asteroid system since launch on 7 October. On 23 October, Hera fired its three orbital control ...

"The Trojan asteroid was in the process of gravitationally 'bouncing' between the giant planets when it got snagged by Saturn." Saturn has finally joined its fellow solar system giant planets as ...