"Victor, Christina and Jeremy, we are bonded forever, and no one down here is ever going to know what the four of us just ...

Seasonal shifts in behavior — not temperature — may subtly influence sperm motility. Whether this variation in sperm quality ...

A genomic analysis of dozens of ancient Korean skeletons revealed a special "sacrificial caste" of people. When you purchase ...

The first well-observed "civil war" in wild chimpanzees reveals that shifting social ties alone can fracture a group, ...

Perry Samson was helping students conduct field experiments on supercell storms in Kansas in 2008 when one suddenly turned ...

Scientists discovered that making a very small change to female mice's DNA caused them to develop male reproductive organs.

NASA is gearing up to send astronauts back to the lunar environment for the first time in nearly 55 years. We've broken the ...

A new map of the "maternal-fetal interface" reveals a new type of cell, as well as the types of cells most likely to be ...

Around 14 new rock-art depictions of thylacines, also known as Tasmanian tigers, have been found in northern Australia.

Amid drought and heat waves, April's national wildfire forecast shows that nearly the entire Western U.S. will face an ...

Doctors reported a highly unusual case of parasitic fly infection in a woman in Greece. When you purchase through links on ...