Some substances in medicines, household items and the environment are known to affect prenatal child development. Researchers tested the effects of five drugs (including caffeine and the blood thinner ...

Humans and other mammals cycle through distinct sleep phases. One of them is easily recognized by the darting motion of the ...

WASHINGTON, March 19 (Reuters) - Inside the stout fins of a fish that prowled the shallow waters of an estuary in what is now eastern Canada about 380 million years ago, scientists have found what ...

Species across the planet are on the move. Climate change has already caused more than 12,000 species to shift their homes across land, freshwater and the sea. They move to escape unfavorable ...