China has quietly confirmed that a vast circular scar in its northeast is not a volcanic basin or a quirk of erosion, but a colossal asteroid impact site that ranks as the largest known crater of its ...

For the first time ever, scientists have uncovered a vast field of tektites in Brazil — mysterious glassy fragments forged when a powerful extraterrestrial object slammed into Earth about 6.3 million ...

An asteroid roughly the size of a small city may slam into the Moon in 2032, and if it does, the blast could hurl clouds of lunar rock into space and toward Earth. Scientists say the odds of a direct ...

A team of scientists recently set off to drill a 1,500m-deep hole into the seabed off the coast of Mexico. Their goal is to learn more about the asteroid impact some 66m years ago that many scientists ...

Scientists have discovered direct evidence of the diet of one of the most important group of ammonites, distant relatives of squids, octopuses and cuttlefishes. The discovery may bring a new insight ...