Environment and heredity are smaller players than researchers previously believed
Dozens of California communities have seen recent rates of childhood lead poisoning exceed those of Flint, Mich.
Scientists have created a thin composite film that gives lithium–sulfur cells exceptional durability
Profound empathy may come at a price
The genetic-testing company's real goal is to hoard your personal data
Feeling sad, mad, critical or otherwise awful? Surprise: negative emotions are essential for mental health
What to expect for climate change, health care, technology and more under the new administration
Infographic of the Week
Kea parrots have a special call that makes nearby parrots burst into play.