The risk that an increasingly ominous asteroid dubbed 2024 YR4 will crash into Earth in seven years now exceeds the the threat once posed by Apophis.

On Feb. 7, the asteroid’s chances of hitting our planet grew to 2.3 percent, and as of Feb. 18, there’s a 3.1 percent chance ...

Two weeks ago, when Ars first wrote about the asteroid, designated 2024 YR4, NASA's Center for Near Earth Object Studies ...

An asteroid that could level a city now has a 3.1-percent chance of striking Earth in 2032, according to NASA data released ...

The threat from space rock 2024 YR4 has surpassed that of Apophis, an asteroid feared by scientists 20 years ago. The danger ...

Space agencies monitoring the Y24 asteroid said there was a 2.6-percent chance of impact with Earth, up from 2.2 percent a ...

Scientists across the world, including some in Arizona, are keeping an eye on an asteroid that has a very slim chance of ...