The OSIRIS-REx spacecraft's name has been changed to OSIRIS-APEX for its new mission to asteroid Apophis. See its journey to ...

NASA's Double Asteroid Redirection Test (DART) impacted the 'moonlet' Dimorphos in the Didymos asteroid system. Watch the ...

ESA’s Hera mission is two-year flight to the Didymos binary asteroid system. See its trajectory here. Credit: ESA - European ...

A massive asteroid nearly the size of a New York skyscraper will make a close approach, or pass, by Earth in the early hours of Sept. 18, according to scientists. They say the asteroid, officially ...

An asteroid that scientists initially feared might pose a risk to Earth may could instead strike the moon in 2032, according to the European Space Agency, but some scientists are suggesting it could ...

The recently spotted asteroid 2025 PN7 appears to be the source of the rumor mill about Earth's supposed second moon. Earth has several quasi-moons that get their name due to the fact that they ...

The asteroids are as large as around 75 and 91 feet in diameter, according to the Center for Near Earth Object Studies.

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...