An asteroid is labelled risky if it comes within 7.4 million kilometres and measures more than 85 metres across.

DW flew about 139,000 miles (224,000 km) away from Earth. The space rock was estimated to be about 43 feet wide (13 m).

NASA successfully altered an asteroid’s orbit using a kinetic impact test, marking a breakthrough in planetary defense. Upcoming missions from ESA, JAXA, and NASA aim to study asteroids, Mars’ moons, ...

NASA has identified a 210-foot, airplane-sized asteroid approaching Earth today, although scientists assure it will not ...

NASA has confirmed that asteroid 2018 BY6, measuring approximately 210 feet across, is set to pass Earth today at a safe distance.