It's a low-energy environment without strong currents. Then all of a sudden, you have a giant tsunami, sweeping by and ripping up the sea floor," said Drabon. The S2 meteorite, estimated to have ...

Early in Earth’s history, space rocks frequently hit the young planet. It is estimated that “giant impactors,” greater than 6.2 miles (10 kilometers) across, pummeled the planet at least ...

“We know that giant meteorite impacts were frequent during Earth’s infancy and that they must have affected the evolution of ...

The giant panda is a species of bear that is found in the mountains of central and western China. One of the most popular and distinguishable animals in the world, the giant panda is also one of the ...

Despite their exalted status and relative lack of natural predators, pandas are still at risk. Severe threats from humans have left just over 1,800 pandas in the wild. The panda, with its distinctive ...