Photosynthesis

Extreme environment-loving life forms found in sinkholes of Lake Huron.

Tree leaves in cold and hot climates stay at the same temperature.

New research reveals relationships among flowering plants.

Habitats with fewer plant species produce less oxygen, food, fiber overall.

Microbes may have been pumping out oxygen 2.5 billion years ago.

Droughts may not hurt Amazon rainforest as much as previously thought.

Volcanoes helped oxygen accumulate in Earth's atmosphere.

A light-harvesting bacterium dwells in Yellowstone's hot springs.

A decade worth of satellite imaging data has shown for the first time that global warming could devastate marine life, scientists announced today.

Newfound bacterium is the sort of thing that might thrive on other planets.