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 …
An asteroid could hit the moon in 2032, scattering debris toward Earth
3 days ago · Researchers are keeping an eye on the building-sized asteroid 2024 YR4, which has a 4 percent chance of hitting the moon seven years from now.
NASA’s Hubble Sees Asteroids Colliding at Nearby Star for First Time
3 days ago · NASA’s Hubble Space Telescope has directly imaged similar catastrophic collisions in a nearby planetary system around another star, Fomalhaut.
Inside NASA’s Mission to Defend Earth From Deadly Asteroids
4 days ago · Inside NASA’s Mission to Defend Earth From Deadly Asteroids Our Solar System contains tens of thousands of potentially dangerous asteroids that could wipe out an entire city, or worse. In …
NASA is tracking a bus-size asteroid heading our way; should you
A bus-size asteroid is on course to skim past our planet, a reminder that Earth moves through a shooting gallery of rocks and ice. The close pass sounds ominous, but the science behind these ...
Asteroid | Definition, Size, & Facts | Britannica
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 belt. Hundreds …
Asteroid belt — What it is, where it is and how it formed
Dec 15, 2025 · A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth itself — were made.
Eyes on Asteroids - Home - NASA/JPL
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 …
Asteroid Discovered Close To Earth: Here's What To Know
Feb 2, 2025 · The asteroid, which is estimated to be between 130 and 300 feet wide, was first detected on Friday, Dec. 27, 2024, by the NASA-funded Asteroid Terrestrial-impact Last Alert System …
Clemson astrophysicists tell us about asteroids and whether we need …
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 this year, a …