Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

The quality of sperm is highest in the summer and lowest in the winter, according to a new study by scientists at University ...

A key goal in aging research is not just to extend life, but to ensure more people live longer and healthier lives with less variation in age at death, a concept known as "squaring the survival curve.

Scientists say crackdown on gender-affirming care could have impact on healthcare of all Americans ...

David Rand, a professor of natural history at Brown University, explains how studying mitochondria — the cell's energy producers — offers a useful way to understand complex gene-by-gene or ...

Study finds little agreement across 21 direct-to-consumer tests ...

Scientists at UC Berkeley have discovered a microbe that bends one of biology’s most sacred rules. Instead of treating a specific three-letter DNA code as a clear “stop” signal, this methane-producing ...

The quality of sperm is highest in the summer and lowest in the winter according to a new study by scientists at University of Manchester, Queen's ...

Understanding the seasonal patterns of sperm could improve fertility treatments, by optimising the timing of treatment, the ...

Though previous research has shown that bird populations are declining across North America, a new study is the first to show that the pace of loss has picked up speed since the mid-1980s in three ...

David Rand, a professor of natural history at Brown University, explains how studying mitochondria — the cell's energy producers — offers a useful way to understand complex gene-by-gene or ...