Photosynthesis

They can turn light into electricity.

A paper published in 2017 appeared to show a limited quantum effect in bacteria. Now scientists argue that something much weirder happened.

What could make the Earth seem to "breathe" as it does in this startling video from Quebec, Canada?

There's twice as much C02 trapped in Earth's soil as in the atmosphere, and it's escaping.

Scientists have identified the oldest organic color in the world.

Algae can be glamorous, too.

Ancient rocks from a remote Canada island contain the oldest algae ever discovered.

The dinosaur-killing asteroid that collided with Earth about 65.5 million years ago plunged the planet into a darkness that lasted nearly two years, a new study finds.

Humans can be vegetarians, choosing to forgo meat, but what about trees? After all, trees need only soil, sunlight and water to survive, right?