Chances an asteroid may hit Earth in 2032 have again risen, though the risk remains tiny, astronomers say. Here's what to know about 2024 YR4.

About 66 million years ago, an asteroid slammed into the planet, wiping out all non-avian dinosaurs and about 70% of all marine species. For a few days in mid-February, headlines around the world ...

Researchers discovered a new field of ancient tektites in South Australia, revealing a long-forgotten asteroid impact. These 11-million-year-old glass fragments differ chemically and geographically ...

A team of researchers affiliated with a host of institutions in the U.S., Canada and Italy has found that studying the craters on asteroid Bennu allowed them to calculate how long it has been orbiting ...

Samples taken from the asteroid Bennu are continuing to shed light on the origins of the solar system. Scientists have been studying the samples since NASA's Osiris-REx spacecraft carried them back to ...

Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to exist on Bennu, a small asteroid that swings by our planet about every six ...

NASA is tracking a house-sized asteroid set to zip past the Earth on August 16 at around 17,717 miles per hour. Known as 2025 PR1, the space rock is estimated to be about 55 feet across and will make ...

Jessica Barnes examines a vial containing sample particles at the Kuiper-Arizona Laboratory for Astromaterials Analysis, located at the University of Arizona. Asteroid Bennu — the target of NASA's ...

Just a couple of short years ago, the world was abuzz with excitement as a human-made spacecraft was hurtling through space, bringing with it samples of a world so alien and distant that we've never ...