
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 …
NASA tracking bus-sized asteroid approaching Earth this week
5 days ago · NASA is monitoring a bus-sized asteroid that’s soaring towards Earth at nearly 8,000 miles per hour, according to the space agency's Center for Near Earth Object Studies …
Asteroids - Science@NASA
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 …
Asteroid | Definition, Size, & Facts | Britannica
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 …
Chance of a devastating asteroid impact briefly spiked in 2025
6 days ago · The chances of a devastating asteroid impact briefly spiked in 2025, after astronomers discovered a building-sized asteroid hurtling towards Earth. The asteroid, named …
"Space gum" and sugars discovered in asteroid Bennu samples, …
Dec 3, 2025 · Samples collected from the asteroid Bennu are continuing the shed light on the origins of the solar system and how life developed on Earth, scientists say.
NASA discovers 'space gum' and sugars 'crucial to life' in asteroid ...
Dec 3, 2025 · Bennu samples contain life-friendly sugars, a strange "space-gum," and ancient stardust, offering fresh clues to how life's ingredients formed in the early solar system.
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 …
Clemson astrophysicists tell us about asteroids and whether we …
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 …
Asteroid: Definition, Size, Difference, Visibility, Facts
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 …