There is currently a 4.3% chance that the giant space rock 2024 YR4 will hit the moon in seven years. If this does happen, ...

A Building-Sized Visitor from Space. Asteroid 2024 XN1 is a prime example of a near-Earth object that astronomers carefully monitor for insights into the behavior of space rocks. The asteroid’s ...

Laying out a theory for nonavian dinosaur extinction. Scientists hypothesized in 1980 that a collision with a giant space rock led to the death of the dinosaurs. Back then, the researchers didn ...

Scientists hypothesized in 1980 that a collision with a giant space rock led to the death of the dinosaurs. Back then, the researchers didn’t find the asteroid itself; instead, ...