"Almost one in five people on Earth experienced increases in exposure to urban heat over the past 30 years." Poor and marginalized people are most at risk.

The effects of drought on plant variety around the world could change our understanding of future diversity in a warming world.

It's not clear if new carbon nanotube fibers in fabric will lead to a solar panel you can put in the washing machine, but the tech has potential.

Ocean temperatures held steady for most of the 20th century, then started rapidly warming, new research suggests. That puts warming later than past studies.

With things heating up this summer, it's important to protect your heart health. A cardiologist has 10 tips that can help you stay safe.

A new study raises the alarm that physically demanding work in high outdoor temperatures could increase rates of kidney disease in the United States.

The global climate during the late Cretaceous Period, an era when dinosaurs ruled the planet, was warmer and more varied than previously believed.

When dinosaurs were having their heyday in the late Cretaceous 78 million years temperatures were about two degrees warmer—and more volatile than thought.

Sea otters' dense fur only goes so far in keeping them warm. A new discovery clarifies how their skeletal muscle generates the heat they need.

A new patch that plants can "wear" continuously monitors for diseases or other stresses, such as crop damage or extreme heat.