A menacing asteroid, some six miles wide, triggered Earth's last mass extinction. Now, scientists have found where it originated. It was "a projectile originating at the outskirts of the solar system ...

Flowing water suggests that water ice may have survived in the asteroid for longer than what was thought possible.

The asteroid that killed most dinosaurs 66 million years ago left behind traces of its own origin. Researchers think they know where the Chicxulub impactor came from based on levels of ruthenium. The ...

An illustration of a large asteroid colliding with Earth on the Yucatan Peninsula in what is modern-day Mexico. The asteroid responsible for our last mass extinction 66 million years ago — wiping out ...

Parts of our solar system are rich with asteroids, like the Jupiter Trojans where thousands of asteroids share the orbit of Jupiter. Asteroids cluster here due to the gravitational interactions ...

The pristine samples from asteroid Ryugu returned by the Hayabusa2 mission on December 6, 2020, have been vital to improving the understanding of primitive asteroids and the formation of the solar ...

In 2020, astronomers thought they’d found something incredible: the second so-called Earth Trojan asteroid ever seen. Now, a new team of researchers has confirmed that it’s real. “The discovery of ...

In an ambitious quest to learn more about the building blocks for life, Japan is preparing to launch an ambitious mission to retrieve samples from a primitive asteroid, the same type of object that ...