In the middle of the exhibit hall at the University of Arizona’s Laboratory of Tree-Ring Research stands a 4,000-pound sample of a Giant Sequoia that began its growth in 212 A.D. and fell in 1915. The ...

Change is happening everywhere, but it’s how living things adapt that counts — a perfect example of this is aspen forests. A new decade-long study by University of Wisconsin researchers reveals how ...

The Bannister Building looks distinct among the typical red-brick buildings on campus, yet students walking by, preoccupied by their phones and classes, fail to notice the 40-foot-long steel columns ...

Play NOVA's Evolution Lab to explore the tree of life and become an expert in phylogenetics—the study of the evolutionary relationships among species. Receive emails about upcoming NOVA programs and ...

The Climate Shift Index (CSI), Climate Central’s daily temperature attribution system, applies the latest peer-reviewed methodology to map the influence of climate change on temperatures across the ...