Quite an advantage in today’s world.

New research shows that epaulette sharks, often called “walking sharks,” can produce eggs without increasing their overall energy use.

Anti‐Müllerian hormone (AMH) has emerged as a pivotal biomarker in veterinary reproductive health, offering insights into gonadal function across a range of species. Its role in the regulation of ...

A study just published in the journal Functional Ecology called "Heavily hunted wolves have higher stress and reproductive steroids than wolves with lower hunting pressure" by Heather Bryan, of the ...

These “walking sharks” can lay eggs without spending extra energy, rewriting what scientists thought they knew about reproduction.

Human beings, fish, reptiles and birds have the same hormones in their blood with very similar functions. But why does one find hormone values in some species that are ten times higher than in others?

When a Zoos Victoria team had difficulties breeding some of their critically endangered mountain pygmy-possums, they decided to investigate the animals’ hormone levels. A lot is known about hormones ...

Researchers have discovered that injecting a simple hormone into leeches creates a novel way to study how hormones and the nervous system work together to produce species-specific reproductive ...

Emerging research suggests the reproductive hormone kisspeptin may play a role in depression. Early findings suggest kisspeptin enhances activation in neural structures associated with sexual arousal ...