Some type of pathogen may be behind the recent deaths of 39 elephants, a new wave that follows 350 deaths last summer.

Seven years after Australia’s Millennium drought, water flow in many rivers isn’t returning to predrought levels.

Supernovas aren’t the main source of gold, silver and other heavy elements, a study of deep-sea crust suggests.

A person who was paralyzed from the neck down was able to communicate, thanks to brain-to-text technology.

Getting people to wash their hands is notoriously difficult. Doling out nice soap dispensers and rewards helps people develop the habit.

As U.S. vaccination efforts shift to get shots to the hard-to-reach, we take a look at some big questions about vaccines that still remain.

Shape-shifting pasta could potentially cut down on packaging and save space during shipping.

Pockets of people have railed against vaccines as long as the preventives have existed.

With the vaccine cleared for high schoolers and many middle schoolers, focus now turns to clinical trials testing COVID-19 vaccines in younger kids.

New devices — worn as headsets and backpacks — rely on optogenetics, in which bursts of light toggle neurons, to control mouse brain activity.