In 1984, an amateur paleontologist in Scotland found a remarkable specimen: a nearly complete fossil of what looked to be a ...

A new study reveals that the aerobic nitrogen cycle in the ocean may have occurred about 100 million years before oxygen began to significantly accumulate in the atmosphere, based on nitrogen isotope ...

Scientists have documented the way a single gene in the bacterium that causes bubonic plague, Yersinia pestis, allowed it to survive hundreds of years by adjusting its virulence and the length of time ...

Scientists have documented the way a single gene in the bacterium that causes bubonic plague, Yersinia pestis, allowed it to ...

Alterations to a single gene in the plague bacterium's genome have shed light on a method the germ has used to survive and ...