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

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

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, ...

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

The "8-real" coin ("real de a ocho" in Spanish and the original pirate "piece of eight") was minted out of silver in the 16th ...

CERN scientists transported antimatter by truck for the first time, enabling ultraprecise studies that could reveal why ...

The Artemis II astronauts have reached the moon and will soon lose contact with NASA as they whip around the lunar far side.

This rare example of an ancient Egyptian beaded dress was likely crafted specifically for a woman's funeral.

Among the fossil finds were bilateral worm-like animals that may have anchored themselves to the seafloor, early comb jellies ...

Although babies born from parents with allergies are also more likely to have them, there are a number of outside factors ...

Save up to 69% on the best running shoes we have tested, from everyday staples like the New Balance 1080s to race day ...