Earth's earliest known forms of animal life were trailblazers.
A lone cedar embodies the determination and resilience of the Ojibwe people.
Reflections on lessons learned by another young scientist eighty years ago.
An interview with the filmmaker Ken Burns
A true but unlikely tale
Story and Photographs by William Rowan
Increasing day length on the early Earth boosted oxygen released by photosynthetic cyanobacteria.
Genomic evidence shows that Denisovans and modern humans may have overlapped in Wallacea.
Evapotranspiration is the largest source of water vapor in the Congo rainforest during the spring rainy season.
