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 ...

The natural and the social world shaped the evolution of each. Knowing whom to invite to dinner is as important as knowing ...

One of the most popular explanations for why menopause evolved in some species is called the grandmother hypothesis. Essentially, older females stop having offspring of their own, and redirect energy ...

A critical analysis of progressive ideologies, eugenics, and environmentalism's impact on humanity and society.

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

Nearly 40% of California-grown nonorganic produce has residues from PFAS pesticides — potentially toxic “forever chemicals” ...

Some animals have reproductive strategies so extreme that they can lead directly to their own death. In certain species, intense mating competition or biological stress pushes the body beyond its ...

Geroscience examines the underlying biology of aging to delay chronic diseases and extend the healthy years of human life.

Now in its 18th year, the Best New Product Awards are America's leading consumer-voted awards for product excellence. Conducted by BrandSpark International in partnership with Newsweek, the awards ...

Thirty babies in a lifetime might sound unbelievable, but in the animal world, that number can be modest. Reproduction follows a clear biological pattern.

The experiment began with a straightforward prediction: microbes from older mice would age young ovaries. But when the ...