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 …
NASA tracking car-sized asteroid approaching Earth tomorrow - MSN
3 days ago · NASA is currently tracking a car-sized asteroid set to zip past the Earth tomorrow, February 17, at a whopping 12,616 miles per hour.
Eyes on Asteroids - Home - NASA/JPL
3 days 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 …
The asteroids approaching Earth that keep NASA scientist up at night
1 day ago · Our planet is currently defenseless against “city killer” asteroids, noting “we don’t know where they are,” a leading scientist has warned this week. Astronomer Kelly Fast, NASA’s ...
Asteroid | Definition, Size, & Facts | Britannica
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 …
Asteroid Impact Risk: How Close Are Near Earth Objects and Other …
3 days ago · Explore current asteroid impact risk as scientists track near earth objects and assess space threats, explaining how close any known asteroid is to hitting Earth.
NASA's biggest asteroid threat: NASA's biggest asteroid threat: The ...
1 day ago · NASA's top planetary defense expert reveals the biggest threat isn't Hollywood-style doomsday rocks, but undiscovered 'city-killer' asteroids. While large and small threats are known, an …
An Asteroid Might Slam Into the Moon in 2032—and Create a Fiery …
Feb 9, 2026 · An Asteroid Might Slam Into the Moon in 2032—and Create a Fiery Flash That’s Visible to Earthlings, New Research Suggests Currently, NASA estimates that asteroid 2024 YR4 has a 4.3 …
NASA Discovers A New Asteroid Moving Towards The Earth: Here's ...
2 days ago · NASA Discovers A New Asteroid Moving Towards The Earth: Here's Everything You Should Know Recently, NASA has discovered an asteroid named 2026 CA2, which is moving …
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 …