NASA is monitoring a bus-sized asteroid as it makes its closest approach to Earth today, among a group of five space rocks ...

Despite their overall similarities, asteroids are usually pretty distinct from one another. Vesta has a very different ...

Once the new measurements were taken and the math was done, the probability of YR4 hitting the Earth began to decline, ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

Johnson reports the crater can be seen today only in a 35-mile wide dome that marks exactly where the asteroid impacted.

By a very small margin, Spinosaurus is currently thought to have been the largest carnivorous (meat-eating) dinosaur, ...

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

There are many home-grown problems on Earth, but there’s still time to worry about bad things arriving from above. The most ...

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

From the largest known sauropods ever discovered ... one of the highest tooth-replacement rates known for dinosaurs. Had it ...