JF flew about 199,000 miles (320,000 km) away from Earth. It's estimated size is about 34 feet wide (10 meters), roughly the ...

A new study from Sandia National Laboratories focuses on how X-rays from a nuclear explosion could impact an asteroid on a collision course with Earth. The studies show that these X-rays might ...

NASA's Webb Telescope Captures Photos of the Asteroid That Won't Hit Earth in 2032 CAPE CANAVERAL, Fla. (AP) — The Webb Space Telescope has captured pictures of the asteroid that caused a stir ...