That one was estimated to be about 6.2 miles (10 kilometers) in diameter and marked the last known large asteroid to hit our world. Planet killer asteroids are space rocks that are 1 kilometer across ...

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.

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

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

he says. Scientists and governments had no idea how to respond, he says. A large asteroid strike could be catastrophic if it hits an area where humans live. We don't know exactly how big YR4 is yet, ...

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

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

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.

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

Previously, the Vredefort Dome had been the only dated impact structure. The 2 billion-year-old crater can be found in South ...