Every multicellular organism, from tiny worms to humans, elephants, and whales, needs a way for their cells to connect with each other to form tissues, organs, and organize their overall body plan.

In April of 2025, headlines across the world announced that the dire wolf had been brought back from extinction. This 130-150 lbs wolf species, about 25% heavier than modern-day gray wolves, had not ...

A new study reveals all five fundamental nucleobases – the molecular “letters” of life – have been detected in samples from ...

Men and partners are important contributors to the health of future generations, yet their own preconception health and wellbeing remain secondary considerations in research, practice, and policy.

A mega-study of 117 mammal species reveals that limiting reproduction increases life expectancy by up to 10 percent.

Men have nipples, mammary glands and the hormones required, but the ability for male lactation rarely turns on. Here’s why ...

Microglia (immune cells) and the RANK protein are essential for triggering puberty and maintaining fertility in the brain.

Many insects live in fresh water, or close to the sea in salt marsh and beach habitats. There are also several species of water striders in the genus Halobates, which live on the ocean’s surface, far ...

The kick-off signal for puberty begins in the brain. Specifically, in the hypothalamus, where specific neurons release a hormone that activates the hypophysis, at the base of the skull, which then ...

Project Hail Mary by Andy Weir is one of today's best science fiction books. While much of the science and math is great, it falls a bit when it comes to evolution.

New research reveals that ancient interbreeding between humans and Neanderthals shaped our modern human DNA - especially on ...

These results are preliminary, but they could eventually improve ovarian health and fertility in women, researchers say ...