For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

Data collected from a once-defunct NASA satellite show that Earth grew two extra radiation belts following a supercharged ...

The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

NASA and ESA monitor asteroid 2024 YR4, which has a 1.2% chance of impacting Earth in 2032. Learn about Near-Earth Objects ...

YR is considered to be larger than the Chelyabinsk asteroid that struck Russia in 2013. Its shock wave was strong enough to ...

Asteroids, sometimes called minor planets, are rocky, airless remnants left over from the early formation of our solar system. Nasa releases images.

NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet ...

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour.

Ceres, the largest object in the asteroid belt, holds fascinating clues about the origins of organic molecules in ou.

The organic material found in a few areas on the surface of dwarf planet Ceres is probably of exogenic origin. Impacting ...