Hundreds of millions of years before oxygen surged in the atmosphere 2.4 billion years ago, swaths of oxygen winked in and out of existence in the ocean.

Plants play a huge role in shaping Earth’s climate. Through photosynthesis, they pull carbon dioxide (CO₂) out of the air.

The disappearance of sea ice in polar regions due to global warming not only increases the amount of light entering the ocean ...

Frequent heat and drought events in southwestern Europe are reducing ecosystems' capacity to absorb CO₂, according to a ...

In a Queensland river where natural gas seeps up through the water, many living creatures have come to depend on it for their ...