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 Sy

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 …

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 …

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 …

Dec 1, 2025 · Discover the rocky objects orbiting our sun with the latest asteroid news, features and articles.

Apr 22, 2025 · The asteroid 99942 Apophis is headed for a close flyby with Earth on April 13, 2029, and space agencies are coordinating efforts to study the object during this the once-in-a-lifetime …

Asteroids are cosmic time capsules. These ancient rocks, left over from the formation of the Solar System, offer a direct link to our distant past. They provide clues to how planets like Earth formed …

Dec 2, 2024 · Two enormous "potentially hazardous asteroids" are due to soar through Earth's neighborhood later this week. Both are classed by the Jet Propulsion Laboratory's (JPL) Center for …

1 day ago · A few years ago, asteroid mining was all the rage. With the commercial space sector rapidly growing, the dream of commercializing space seemed almost imminent. Basically, the notion of …

Sep 4, 2025 · Is it likely for an asteroid to hit Earth anytime soon? In this article, we’ll answer the most burning questions about potentially hazardous asteroids.