The tree of life is a galvanizing image, anchoring biological diversity within a common framework. From a new view in 2016, the tree has continued to grow, and with it, our understanding of life on ...

The cell--the irreducible unit of life on Earth--has an estimated history nigh on 3.5 billion years. Scientists since Charles Darwin have attempted to trace that history to a so-called last common ...

With its small pink flowers, this tree is one of the first brilliantly colored signs of spring in Michigan. The eastern redbud is a haven for pollinators and ideal for planting in yards. Commonly seen ...