When the asteroid finally reached Earth, those near the impact site would have seen a blinding fireball, heard a deafening ...

A discovery by a South Korean research team suggests that impact-generated lakes may have fostered early oxygen-producing ...

A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ...

When high-velocity asteroids land on Earth, they can form a meteor impact crater. Such collisions have occurred throughout Earth's history and still occur on other planetary bodies today. While most ...

Scientists studied ancient fungal spores and discovered Earth may already have been under stress before the asteroid wiped out the dinosaurs.

A long-running dispute about the origin of a North Sea crater has finally been settled, as new research finds a massive asteroid hit the water and triggered a towering tsunami millions of years ago.

Add Yahoo as a preferred source to see more of our stories on Google. An electron microscope image, colorized, shows different structures of pollen grains, including sunflower, morning glory and ...

Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers of ...