A study of individuals with a medical diagnosis in Romania found that individuals with high-K fitness who were in a romantic ...

Beluga whales avoid inbreeding by switching partners over time, helping a small, isolated population stay genetically healthy ...

New research reveals walking sharks reproduction involves no extra energy use, challenging long-held beliefs about marine ...

Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

Many mammal populations in European and North American zoos are aging – a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

New research shows how sperm RNA changes as men age, revealing a biological shift that may affect reproduction and child ...

The findings shed new light on human reproduction and suggest pathways for developing treatments to lower the risk of ...

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to ...

Epaulette shark remain 'remarkably stable' throughout a reproduction process.

Researchers discovered that Hawaiian monk seals use a surprisingly complex range of underwater sounds, including new call ...

New research from James Cook University has made the extraordinary discovery that epaulette sharks can reproduce and lay eggs ...

Long-term exposure to low levels of a common agricultural chemical can accelerate aging and shorten the lifespan of aquatic ...