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 …

1 day 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 comets as …

1 day 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 (CNEOS). …

Dec 24, 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 called the …

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 sets a new record.

4 days ago · An international team of astronomers has discovered an asteroid that spins so fast, it should've torn itself apart.

NASA’s asteroid trackers have just watched a school‑bus‑sized space rock make a safe, distant pass by our planet, part of a steady stream of small objects that routinely zip through the ...

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

Jan 7, 2026 · The first peer-reviewed study using data from the SLAC-built LSST Camera identifies an asteroid nearly eight football fields long that spins once every two minutes.

Dec 3, 2025 · These are the planetary defenders who are on the hunt for the next big asteroid that could impact Earth — and how we might stop it.