An asteroid is a minor planet —an object larger than a meteoroid (thus 1 meter or larger) that is neither a planet nor an identified comet —that orbits within the inner Solar System or is co …

Apr 25, 2025 · Asteroids, sometimes called minor planets, are rocky, airless remnants left over from the early formation of our solar system about 4.6 billion years ago. Most asteroids can be …

Oct 20, 2025 · Asteroid, any of a host of small bodies, about 1,000 km (600 miles) or less in diameter, that orbit the Sun primarily between the orbits of Mars and Jupiter in a nearly flat ring …

A bus-size asteroid is on course to skim past our planet, a reminder that Earth moves through a shooting gallery of rocks and ice. The close pass sounds ominous, but the science behind …

5 days ago · NASA is monitoring a bus-sized asteroid that’s soaring towards Earth at nearly 8,000 miles per hour, according to the space agency's Center for Near Earth Object Studies …

6 days ago · The chances of a devastating asteroid impact briefly spiked in 2025, after astronomers discovered a building-sized asteroid hurtling towards Earth. The asteroid, named …

Dec 8, 2025 · Everyone knows about the Chicxulub asteroid that wiped out the dinosaurs 65 million years ago, but it wasn’t the only cosmic intruder to alter Earth’s environment—and it …

Dec 6, 2025 · Sugars essential for life were found for the first time alongside “space gum” on an asteroid hurtling towards Earth, indicating that our universe could be teeming with life, …

Dec 3, 2025 · Bennu samples contain life-friendly sugars, a strange "space-gum," and ancient stardust, offering fresh clues to how life's ingredients formed in the early solar system.

May 5, 2025 · Asteroids, sometimes called minor planets, are rocky remnants left over from the formation of our solar system about 4.6 billion years ago. For the most up to date count of …