In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones.

Humans develop sharp vision during early fetal development thanks to an interplay between a vitamin A derivative and thyroid hormones in the retina, Johns Hopkins University scientists have found.

Experiencing cold hands and feet, especially when you are trying to get pregnant, can be unsettling. While it might not seem ...

When the pancreas stops producing insulin, glucose doesn't enter our cells. Instead, it accumulates in the bloodstream. In ...

Explainer: How to talk to kids about gender equality and stereotypes Explainer: How to talk to kids about gender equality and stereotypes Press release: USD 420 billion annual shortfall blocking ...