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  1. Asteroid - Wikipedia

    An asteroid is a minor planet —an object larger than a meteoroid that is neither a planet nor an identified comet —that orbits within the inner Solar System or is co-orbital with Jupiter (Trojan …

  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

    6 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. Astronomers discover skyscraper-size asteroid hidden in sun's …

    4 days ago · The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark Energy Camera at it, highlighting the potential …

  5. Asteroid discovered only 2 days ago just flew by Earth closer than …

    Oct 15, 2025 · A small asteroid, called 2025 TP5, safely flew by our planet on Oct. 15 at about a quarter of the distance to the moon.

  6. Skyscraper-Sized Asteroid Approaching Earth, NASA Reports

    Sep 16, 2025 · An enormous asteroid is approaching Earth at 24,136 miles per hour—and will be at its closest to us in two days' time. The space rock—dubbed "2025 FA22"—is 520 feet …

  7. Astronomers Just Found a Sneaky Asteroid Near the Sun—and

    1 day ago · The asteroid’s size, as well as its fast orbit around the Sun, qualifies it as a “planet killer” asteroid, which Sheppard had been searching for.

  8. NASA scientists say nuclear devices could stop asteroid headed at …

    Sep 24, 2025 · A team of researchers has put forth the idea of launching nuclear devices at asteroid 2024 YR4 with a chance of hitting the moon in 2032.

  9. A Giant Asteroid Hit Earth, but Its Crater Is Missing

    Oct 16, 2025 · A giant asteroid hit Earth, but its crater is missing Date: October 16, 2025 Source: Curtin University Summary: Researchers discovered a new field of ancient tektites in South …

  10. Asteroids - Science@NASA

    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 …