A new theory involving volcanoes may partly explain the appearance of the first oxygen on Earth 2.5 billion years ago, researchers say.

Scietists have puzzled over the existence of buckyballs in space, but a new idea about how the carbon molecules form could solve the mystery.

"Losing Earth's remaining wilderness is devastating by itself, but climate impacts 626% greater than expected is terrifying."

Carbon capture technologies could actually produce more carbon dioxide than they suck up. Focusing on renewables is a better solution, researchers say.

The next time a river overflows its banks, don't just blame the rain. New research identifies another culprit: Leafy plants.

Ocean waves inject tiny particles called aerosols into the air—and those aerosols carry organic molecules more than 5,000 years old.

Looking to Earth's past is giving researchers a better picture of the planet's future under climate change, and the news isn't good.

"...this current high-carbon dioxide environment is not only an experiment for the climate and the environment—it's also an experiment for us..."

Scientists may have overestimated the amount of carbon that US land can suck out of the atmosphere.

Understanding more about how a microorganism produces methane and carbon dioxide could help scientists cut greenhouse gases in the atmosphere.