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 …

4 days ago · The asteroid will make a close approach to Earth just three days following its discovery.

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 …

2 days ago · Of the five asteroids, one will be closer to Earth than the moon, according to NASA.

Mar 6, 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 asteroid 2026 FM3: NASA is tracking asteroid 2026 FM3, a car-sized space rock set to pass safely by Earth at a distance of 148,000 miles. Here's what you need to know about this …

NASA is currently monitoring a car-sized asteroid set to zoom past the Earth on March 25 at a speed of around 12,168 miles per hour.

6 days ago · Asteroid impact risk explained with NASA asteroid tracking, near Earth objects monitoring, and planetary defense systems protecting Earth from threats.

Mar 19, 2026 · Discover the rocky objects orbiting our sun with the latest asteroid news, features and articles.

Mar 9, 2026 · 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 …