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 …

3 days 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.

Oct 28, 2025 · Astronomers discover 2025 SC79, the solar system's second-fastest asteroid, hiding in the Sun's glare. Learn why these 'twilight' asteroids are a top priority for planetary …

Oct 20, 2025 · 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 …

Oct 23, 2025 · A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest known asteroid in the solar system.

Feb 12, 2025 · Near-Earth Objects (NEOs) are asteroids or comets nudged into our neighborhood of space by the gravitational attraction of nearby planets. They are chunks of rock, metal or ice …

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 …

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

For the purposes of this article, "asteroid" refers to minor planets out to the orbit of Neptune, and includes the dwarf planet Ceres, the Jupiter trojans and the centaurs, but not trans-Neptunian …

Jan 31, 2025 · A large asteroid could be heading toward Earth within the next decade, and there's a small chance it could strike the planet, according to NASA.