
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 …
NASA Tracking Bus-Sized Asteroid Nearing Earth Today
19 hours 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 …
Record-Breaking Asteroid Spins So Fast It Should Tear Itself Apart
6 days ago · With data collected months before its main survey is due to begin, the Vera C. Rubin Observatory is already upending what we thought we knew about asteroids. In the Main Belt of …
Asteroid | Definition, Size, & Facts | Britannica
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 …
Asteroid Facts - Science@NASA
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 asteroids …
World’s largest digital camera spots massive asteroid
Jan 8, 2026 · Astronomers have spotted an asteroid the size of nearly eight football fields, with the help of the largest digital camera in the world and a new space observatory.
Scientists find ‘record-breaking’ asteroid nearly the size of eight ...
Jan 8, 2026 · Scientists find ‘record-breaking’ asteroid nearly the size of eight football fields. Is it close to Earth? The asteroid was discovered using data from the world’s largest camera
New discovery just broke the record for fastest-spinning large asteroid ...
Jan 9, 2026 · The Vera C. Rubin Observatory has discovered the fastest-spinning large asteroid so far, completing a turn in under two minutes.
What is an asteroid? A beginner's guide to the spacerocks and where ...
Feb 19, 2025 · What are asteroids, where do they come from and how can you see an asteroid in the night sky? A guide to these fascinating space rocks.
Asteroids: News, features and articles | Live Science
Dec 1, 2025 · Discover the rocky objects orbiting our sun with the latest asteroid news, features and articles.