An asteroid named 2026JH2 will swing by Earth on Monday, passing four times closer than our distance to the moon.

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually. In a new study, planetary scientist Julio A. Fernández of Uruguay’s ...

"We are a bit surprised about its origin in the central main asteroid belt, which is a location in the asteroid belt that we did not think many Earth-crossing asteroids could originate from.

“There was and is a lot more water in near-Earth space than we thought.” ...

On the morning of June 30, 1908, an asteroid plunged into Earth’s atmosphere and exploded over Siberia, Russia, creating a blast zone nearly three times the size of Chicago. In 2013, an asteroid ...

An artist’s illustration of NASA’s James Webb Space Telescope revealing a population of small asteroids in the main asteroid belt. The asteroid that extinguished the dinosaurs is estimated to ...

An asteroid roughly the size of one to two school buses flew by Earth Monday, coming as close as 56,913 miles, according to the European Space Agency — equivalent to about one quarter of the ...