The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

YR4 has a roughly 2 percent chance of hitting Earth in 2032, and “is large enough to cause localized damage,” NASA says.

We asked experts at NASA and the Massachusetts Institute of Technology what scientists know about the asteroid that could ...

YR4 is circling Earth and NASA predicts it could strike the planet in 2032. Here's what to know about the asteroid headed ...

A newly discovered asteroid being tracked by the global science community has a nearly 98% chance of zooming by Earth without ...

A potentially dangerous asteroid is being closely monitored by NASA with there being a small chance of it hitting Earth in ...

Astronomers will have more information later this spring about the asteroid's path and its likelihood of hitting Earth.

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