YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

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 776th session of the Xiangshan Science Conference, themed "Key Scientific and Engineering Challenges in Near-Earth ...

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

Once, a very long time ago, a massive asteroid hit the Earth and wiped out the dinosaurs. In addition to functionally ...

Astronomers believe thousands of large undiscovered asteroids, that could cause regional damage, may be in space.

The space rock caused quite a stir after astronomers first spotted it last year on a trajectory bringing it uncomfortably ...

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

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 ...

NASA has significantly lowered the risk of asteroid 2024 YR4 hitting the Earth in 2032 through recent calculations. The moon ...