Learn how the carbon cycle works and how greenhouse gases like carbon dioxide and methane disrupt it, shaping climate change ...

The Lomagundi-Jatuli event, which occurred more than two billion years ago, followed the Great Oxygenation Event and was ...

Over 300 million years ago, Earth experienced powerful bursts of carbon dioxide from natural sources—like massive volcanic eruptions—that triggered dramatic drops in ocean oxygen levels. These ancient ...

You are taught early in science that oxygen on Earth comes from sunlight. Plants, algae, and cyanobacteria use light to split water and release oxygen, shaping the atmosphere and making complex life ...

Where would carbon-based life be without carbon? There are 118 known chemical elements, but carbon is the fourth most abundant and perhaps the most important to human life. Everywhere you look, ...