Researchers at the University of Arizona have received a nearly $3 million grant from the National Institutes of Health to study the impact of phthalates on women’s fertility.

For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death ...

Foodborne infections persist, but chemical exposure and ultraprocessed foods now play a larger role in shaping long-term ...

Muntjac deer are known as “vampire deer” for their fangs, but their strangest feature lies beneath their eyes.

An animal tested positive for brucellosis in Gallatin County, the state Department of Livestock reported in late December.

A groundbreaking new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions ...

A new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in ...

Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

In jellyfish and sea anemones, neurons accumulate DNA damage while animals are awake and repair that damage during sleep.

The natural world is full of animals that seem to defy logic, blurring the line between reality and imagination. Some look ...

Defecation is commonly treated as a universal feature of animal life, a visible outcome of digestion and metabolic turnover.