They flattened forests, left massive craters and even killed the dinosaurs. Learn all about Earth’s hugest asteroid strikes.

Asteroid Bennu, a 4.5-billion-year-old space rock, may hold clues to Earth's origins. With traces of water, amino acids, and ...

2024 YR4 isn't the largest asteroid out there, but it certainly isn't small, ranging from around 130 to 328 ft in diameter. It is also moving to the solar system at around 38,000 MPH. If it did ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

Despite their overall similarities, asteroids are usually pretty distinct from one another. Vesta has a very different ...

The Hera probe has swung around Mars, using the planet’s gravitational pull to fling itself toward its asteroid target.

Smithsonian and NASA scientists set out to collect an asteroid sample that may hold clues to the origins of life in our solar system.

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

NASA’s Lucy spacecraft will fly by asteroid Donaldjohanson on April 20, 2025, revealing its shattered past, strange spin, and secrets of planetary formation in a major space milestone.

“Serpent Mound is the largest serpent effigy built anywhere on the planet Earth,” O’Grady said. “Serpent Mound is built up on top of a bluff, and the reason that bluff is there, it's part of the ...