In mid-February 2025 astronomers announced that 2024 YR4—a recently discovered asteroid big enough to severely damage or even destroy a city—stood a 3.1 percent chance of hitting Earth in 2032.

Languages: English and Italian. NASA is tracking a bus-sized asteroid that will be zooming past the Earth today at a speed of nearly 28,028 miles per hour. The space rock, known as "2025 FO6," is ...

Recently, NASA was tracking a large asteroid flying past Earth known as the so-called "city killer." "This one got a lot of attention because it rose to a threat level that we just have not seen ...

The next stop for NASA's asteroid-hopping spacecraft Lucy is a space rock named Donaldjohanson, an object researchers recently learned is about 150 million years old. Lucy will fly past the three ...