"Black holes really do sit at the frontier of human understanding." Scientists have discovered that some supermassive black holes rotate much more rapidly than expected. The discovery came as the ...

Scientists have discovered that some supermassive black holes rotate much more rapidly than expected. The discovery came as the result of a new form of "black hole archeology" that links black hole ...

In 1924 an Australian anthropologist and anatomist, Raymond Dart, acquired a block of calcified sediment from a limestone ...

A remarkable plesiosaur fossil reveals that the extinct reptiles had scales like modern sea turtles, unlike the ichthyosaurs ...

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...

A near complete skull fossil found in Antarctica has revealed the oldest known modern bird — a mallard duck-size creature related to the waterfowl that live by lakes and oceans today ...

The tip of a right flipper of the new plesiosaur fossil, with two scales along the trailing edge. A new study suggests that some plesiosaurs, in addition to fishy scales on their flippers ...

The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ancient times, according to our newly published work in Palaeogeography ...

What place do stories of romance and marriage have in the pages of a newspaper? Join this conversation with the Vows writer Rosalie R. Radomsky by Feb. 14 to find out. By The Learning Network A ...