About 226,000 results
Open links in new tab
  1. Asteroid - Wikipedia

    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 …

  2. Eyes on Asteroids - Home - NASA/JPL

    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 …

  3. Asteroid | Definition, Size, & Facts | Britannica

    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 …

  4. Vera C. Rubin Observatory discovers enormous, record-breaking 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 …

  5. Record-Breaking Asteroid Spins So Fast It Should Tear Itself Apart

    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 …

  6. Scientists find ‘record-breaking’ asteroid nearly the size of eight ...

    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

  7. NASA Tracking Bus-Sized Asteroid Nearing Earth Today

    2 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 …

  8. This Newly Discovered Asteroid, Almost Half a Mile Wide, Just Set …

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

  9. Asteroids - Ask An Earth and Space Scientist

    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 …

  10. Asteroid Facts - Science@NASA

    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 …