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 …

1 day ago · Explore the 3D world of Asteroids, Comets and NEOs. Learn about past and future missions, tracking and predicting orbits, and close approaches to Earth.

10 hours ago · NASA has been tracking a bus-sized asteroid that is zipping past Earth on Friday at a whopping 45,522 mph. Known as 2026 KC1, the space rock is estimated to be about 27 feet across …

4 days ago · The asteroid will swing by Earth on Monday and be close enough to be visible using an amateur telescope

May 14, 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 …

May 15, 2026 · A newly discovered meteor stream may be the smoking gun of an asteroid slowly disintegrating under the Sun’s intense heat. Scientists say these fiery streaks across the night sky …

May 13, 2026 · A newly discovered asteroid will pass within about 56,000 miles of Earth on Monday, significantly closer than the distance between Earth and the moon. There is no need to worry or …