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-orbital with Jupiter …

5 days ago · 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 found orbiting …

2 days ago · A bus-sized asteroid is set to buzz Earth late on March 12, passing less than one lunar distance from our planet less than a week after its discovery.

Mar 6, 2026 · 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 called the …

2 days ago · ESA’s Planetary Defence team allays fears 100-metre-wide object could hit Earth’s moon and disrupt satellites Fears that a 100-metre-wide asteroid could be on course to collide with the …

12 hours ago · The asteroid, which was about the size of a humpback whale or a school bus, passed within 200,000 miles of Earth Thursday night, before heading out to space.

2 days ago · A long-running debate about the Silverpit Crater beneath the North Sea has finally been resolved. Scientists now confirm it formed when a roughly 160-meter asteroid struck the seabed …

Mar 6, 2026 · Discover the rocky objects orbiting our sun with the latest asteroid news, features and articles.

2 days ago · You are looking at a real-time visualization of every known asteroid or comet that is classified as a Near-Earth Object (NEO). With asteroids represented as blue points, and comets as …

Jun 23, 2025 · Asteroids can give scientists key insights into the formation of our solar system and the Milky Way. They contain materials that predate the formation of our solar system. Earlier this year, a …