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 · The dinosaurs were wiped out by an asteroid, but does that mean we risk suffering the same fate - and should you be worried about the possibility? Leah Crane sets the matter straight

Jan 13, 2026 · 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 …

2 days ago · NASA is monitoring asteroid 2026 CU1, a 140-foot space rock, as it safely passes Earth at 18,000 mph. While not a threat, its close flyby at 764,000 miles offers a valuable opportunity for …

2 days ago · Asteroid 2026 CU1 will sweep past Earth this week at high speed, close enough to attract attention yet deemed safe, raising fresh questions about how well we watch the skies.

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 …

Feb 3, 2026 · Discover the rocky objects orbiting our sun with the latest asteroid news, features and articles.

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 found orbiting …

1 day ago · News Technology Science If an asteroid heads for Earth, can we stop it? If an asteroid heads for Earth, can we stop it? The next asteroid won’t come with a warning siren. What happens …