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 …

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 …

5 days ago · 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 asteroid …

Jan 7, 2026 · In its preliminary data release, taken from just seven nights of observations, the powerful Vera C. Rubin Observatory has discovered an enormous, fast-spinning asteroid that sets a new record.

Jan 9, 2026 · With data collected months before its main survey is due to begin, the Vera C. Rubin Observatory is already upending what we thought we knew about asteroids. In the Main Belt of …

Jan 8, 2026 · Scientists find ‘record-breaking’ asteroid nearly the size of eight football fields. Is it close to Earth? The asteroid was discovered using data from the world’s largest camera

3 days ago · NASA is monitoring a bus-sized asteroid that’s hurtling towards Earth at more than 38,500 miles per hour, according to the space agency's Center for Near Earth Object Studies (CNEOS). …

Jan 8, 2026 · A giant asteroid has sent astronomers into a spin, setting a record for how fast it rotates on its axis

There are three general types of asteroids: carbonaceous, stony, and metallic. They are called C-type, S-type, and M-type asteroids. The names are based on the type of material believed to make up …

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 asteroids …