New research on the orbits of these mysterious asteroids near Venus stress the need for better space rock surveillance.

That’s why NASA is pouring billions into asteroid missions like OSIRIS-REx, DART, and Psyche. In this video, we explore why these ancient objects matter so much, how they could save us or destroy us ...

One study in the journal Nature found organic compounds of unexpected complexity exist throughout the Universe. Thus complex organic compounds are not the sole domain of life. They can be made ...

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 ...

A team of astronomers at the University of Arizona is preparing for the next phase of a projected NASA mission to build a space-based telescope capable of detecting asteroids and comets that pose ...

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 ...