It came from outer space! In the early morning of June 30, 1908, people in the remote Tunguska region of Siberia beheld an ...

Chances an asteroid may hit Earth in 2032 have again risen, though the risk remains tiny, astronomers say. Here's what to ...

YR4 has a very small chance of striking Earth when its orbit briefly intersects our planet's in December 2032.

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.

The potential risk of Asteroid 2024 YR4 impacting Earth in 2032 dropped to nearly zero following new observations that helped better predict the asteroid's trajectory.

YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...