Bats make up more than one fifth of all living mammal species, yet where and when they first took to the air has been debated for decades. An analysis...
During the Paleocene-Eocene Thermal Maximum (PETM), a period of geological rapid warming and aridification approximately 56 million years ago, a flesh-eating...
A team of researchers led by Rensselaer Polytechnic Institute has found evidence that a comet hit the Earth at the same time a mysterious release of carbon...