As exotic as distant galaxies may seem, there are plenty of wonders to discover in our own backyard. The solar system ...

China's space agency says it has launched a spacecraft that promises to return samples from a pair of asteroids near Mars and yield “groundbreaking discoveries and expand humanity’s knowledge of the ...

Using software programs he helped to build, he follows all the known asteroids and comets zipping about close to the planet. He’s a cartographer working in four dimensions. “Our job is to ...

The film explores the origins and characteristics of comets, meteors, and asteroids, which are minor members of our solar system formed from leftover material after the planets. It explains how ...

Most asteroids are located in the asteroid belt, which lies between the orbits of Mars and Jupiter. Photo Credit: Flickr Comets, like asteroids, orbit the Sun, but they are made up of ice and dust ...

One leading idea is that space rocks such as comets and asteroids delivered water to the Earth through impacts. As a planetary scientist, I’m curious about the kinds of space objects that could ...

One leading idea is that space rocks such as comets and asteroids delivered water to the Earth through impacts. As a planetary scientist, I’m curious about the kinds of space objects that could ...

The discovery doubles the known number of these mysterious celestial objects across our solar system that resemble asteroids but zip through space like comets, albeit without the “tail” comets ...

and other timely facts about comets and asteroids that could pose an impact hazard with Earth. According to NASA, 132 known asteroids have passed closer to Earth than the moon since October 2023.