The testes, also known as testicles, are the primary male reproductive organs. They are responsible for producing sperm and ...

Evolution has given humans countless unique features, but one body part stands out as an unsolved puzzle: the human chin.

The federal government will soon require carmakers to test vehicle safety systems using advanced crash test dummies that more ...

The key organs responsible for steroid hormone production are the adrenal glands, the gonads (ovaries in females and testes in males), and the placenta during pregnancy. Each of these organs possesses ...

"One man died of a massive heart attack — so massive that his heart literally burst. You could stick your fingers into the ...

Historically scientists have thought it unlikely that gut microbes affect physiological sleep regulation. The recent study, ...

Much like our other organs, our skin begins to age from the moment we are born. Here's how you can look after your skin while ...

INTERSEX refers to a broad range of natural variations in a person’s sex characteristics—such as chromosomes, hormones, ...

Historically scientists have thought it unlikely that gut microbes affect physiological sleep regulation. The recent study, ...

Adolf Hitler made headlines last week when DNA analysis determined that he may have had a micropenis — and in an interview this week, a Jeffrey Epstein accuser said his was about two inches long.

White matter acts as the crucial road network of the brain, enabling different regions to communicate and ensuring coherent function rather than chaotic committee work ...