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.

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 ...

GRAND FORKS, ND — Astronomers have turned their high-powered telescopes toward a 100-meter wide asteroid hurtling in its orbit through the Milky Way galaxy and are hoping it doesn’t collide wi ...

CAPE CANAVERAL, Fla. (AP) — Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient water world, scientists reported Wednesday.

Space agencies have been granted permission to use a giant telescope to discover how much damage a so-called "city-killer" asteroid would cause if it were to hit the Earth. The rare decision comes ...