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 ...

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 ...

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 ...

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

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

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

A new study finds that in low-oxygen environments, red blood cells absorb more glucose and convert it into a molecule that ...

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

High-resolution X-ray offers a new look at an understudied organ: the clitoris. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

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