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

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

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.

It was between 10 and 15 km in diameter, and large asteroids like it tend to remain stable in the asteroid belt. But the smaller ones in the ... news article about asteroids with tiny yet real chances ...

The review yielded positive results, reflecting remarkable progress in the national team’s capabilities, and reinforcing the preparations for the mission launch ...

But Hera will not reach the asteroid -- which is 11 million kilometres from Earth in the asteroid belt between Mars and Jupiter -- until late 2026. On the long voyage there, the spacecraft received a ...

Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...

YR4 has a 0.0017% chance of hitting Earth, but media reports too often ignore the unlikelihood of impact in reports of near-Earth asteroids, a Tucson astronomer says.

“Serpent Mound is the largest serpent effigy built anywhere on the planet Earth,” O’Grady said. “Serpent Mound is built up on ...

They are found concentrated in the main asteroid belt, orbiting around the sun between the paths of Mars and Jupiter. The orbits of asteroids bring them within 120 million miles of the sun.