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.

Apr 16, 2026 · The Apophis asteroid, once feared to hit Earth, is less than three years from making an unprecedented approach toward Earth. Here's what to know.

2 days ago · 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 asteroid …

Oct 3, 2025 · An asteroid, called 2025 TF, safely passed within roughly 250 miles (400 km) of our planet on Sept. 30 after surprising astronomers.

2 days ago · Asteroid discovered days ago to make close Earth flyby on Monday Data shows that on Monday, May 18, asteroid 2026 JH2 will pass roughly 56,000 miles from Earth.

1 day ago · A newly discovered asteroid, getting closer to Earth by the day, will soon fly past our planet. Asteroid 2026 JH2, only just spotted for the first time on May 10, 2026, is already on track to pass …

May 2, 2026 · An asteroid, eerily named Apophis, will pass closer to Earth than many satellites in geosynchronous orbit in 2029 NASA said the asteroid's close approach will alter its orbit and rotation …

2 days ago · A newly discovered asteroid is on course to pass closer to Earth than many orbiting satellites next Monday. Here's what to know. (NASA via AP)

2 days ago · Welcome to Asteroid Alerts, your source for tracking Near-Earth Objects and potential asteroid threats. Our system continuously monitors data from Minor Planet Center and NASA Sentry …