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  1. A car-sized asteroid is heading toward Earth for a flyby ...

    5 days ago · The asteroid will make a close approach to Earth just three days following its discovery.

  2. Eyes on Asteroids - Home - NASA/JPL

    1 day ago · Explore the 3D world of Asteroids, Comets and NEOs. Learn about past and future missions, tracking and predicting orbits, and close approaches to Earth.

  3. 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-orbital with Jupiter …

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

    4 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 …

  5. NASA tracking bus-sized asteroid approaching Earth today - MSN

    NASA is currently monitoring a bus-sized asteroid set to zoom past the Earth on March 26 at a speed of around 23,197 miles per hour.

  6. NASA tracks asteroid 2026 FM3 details: It's coming today ...

    3 days ago · NASA asteroid 2026 FM3: NASA is tracking asteroid 2026 FM3, a car-sized space rock set to pass safely by Earth at a distance of 148,000 miles. Here's what you need to know about this …

  7. Asteroids: News, features and articles | Live Science

    Mar 19, 2026 · Discover the rocky objects orbiting our sun with the latest asteroid news, features and articles.

  8. Asteroid Threat in 2026: How NASA Tracks Near Earth Objects ...

    Mar 21, 2026 · Asteroid impact risk explained with NASA asteroid tracking, near Earth objects monitoring, and planetary defense systems protecting Earth from threats.

  9. Asteroids - Science@NASA

    Mar 9, 2026 · 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 …

  10. Asteroid - ESA/Hubble

    Asteroids are rocky celestial bodies that orbit the Sun, but do not meet the requirements to be classified as a planet. The term asteroid covers a very broad range of Solar System objects, including debris …