On Aug. 28, 1993, NASA's Galileo spacecraft flew by the asteroid Ida on its way Jupiter. Galileo was the first spacecraft to fly by an asteroid in the asteroid belt. Ida was actually the second one it ...

Smithsonian researchers analyzed fragments of the near-Earth asteroid and discovered water-rich clays that hint at a distant ...

Asteroid 2025 PM2, about 190 feet in diameter, will pass Earth at a distance of 2.31 million miles on August 27, 2025. While ...

Two asteroids, 2025 OB5 and 2025 QK3, as well as the smaller 2025 QB3, are all set to pass Earth on August 26.

Asteroid 6 Hebe is now at opposition in Aquarius. It is visible all night, best seen shortly after midnight.

Two very different asteroid families may share the same ancient roots, linked by a rare mineral fingerprint and revealed ...

Space weathering expert Michelle Thompson OSIRIS-REx reveals why some gray asteroids reflect light at different wavelengths, like red or blue, more strongly. These results help shed light onto the ...

The spacecraft, bound for a metallic asteroid, turned to snap a striking image of our home planet from 180 million miles away.

Asteroids pose threats not only to Earth but also to the Moon, and scientists now say the odds of a lunar impact are climbing ...

The asteroid known as 2024 YR4, a building-sized object that initially appeared to be on a potential collision course with ...

Scientists studying asteroids found that two seemingly unrelated types share a strange dusty coating of troilite. By using ...