Analyzing one of Darwin's favorite birds, a research team finds the genetic changes that clipped the bird's wings.

Millions of nights of insufficent sleep could be created by rising temperatures, study says.

Scientists uncover how pumice can remain buoyant for years.

If you follow the headlines, nuclear energy seems to be enjoying a bit of a renaissance. A new generation of nuclear innovators is emerging, young tech startups are poised to disrupt a lethargic industry, and there’s a palpable wave of optimism over the potential for nuclear power to help combat climate change. But at recent UN climate change conferences, the word “nuclear” was barely heard. Why the disconnect?

For four decades UC San Diego atmospheric scientist Veerabhadran "Ram" Ramanathan has warned that carbon dioxide and other emissions from human activity are heating up the planet. One of the first scientists to predict global warming, his models of rising temperatures have proved remarkably accurate.

UC Santa Barbara collaboration seeds sustainability in preschoolers.

New research suggests that not knowing where you stand takes a serious toll.