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 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 …

4 days ago · NASA's OSIRIS-APEX spacecraft captured stunning new images as it whipped past Earth during a high-speed slingshot maneuver, sending the probe on a fast track toward the …

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 …

Nov 22, 2025 · Asteroid 2022 RD2 could become one of the few near-Earth objects to shift from a mini moon to a crash risk in a single lifetime.

4 days ago · Scientists find evidence that an asteroid contains tryptophan New analysis of NASA’s Bennu asteroid sample identifies tryptophan, expanding what we know about the origins of life.

4 days ago · An essential amino acid that is mistakenly believed to cause drowsiness after eating turkey has been found in an asteroid for the first time, giving scientists clues to the origin of life …

Oct 5, 2024 · An asteroid is a small, rocky object that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter. Asteroids range in size from tiny pebbles to massive …

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 …

Jun 23, 2025 · Asteroids can give scientists key insights into the formation of our solar system and the Milky Way. They contain materials that predate the formation of our solar system. Earlier …