Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, ...

All species alive today, from chimpanzees to bacteria, are cousins that each have equally long lineages, rather than ...

We know the main reason that the age of the dinosaurs came to an end: an asteroid impact on the Yucatán Peninsula some 66 million years ago. But how the dinosaurs’ reign began is far less clear—and ...

Other near universal welfare issues among small pets — which apply to our cats and dogs, too — include monotonous and unnatural diets, boredom, and lack of enrichment. Pierce said that handling can ...

I grew up in the Maryland suburbs and spent much of my childhood in the woods. I would turn over rocks to find shiny ...

John Seiler was strolling across Virginia Tech’s campus with his students Thursday morning when something stopped them in their tracks: a sweet cherry tree with an unusual jagged scar running along ...

Following some generous rainfall in October and December, fungi in the soil and in trees have generated their spore-producing tissues. Extremely varied, depending on fungal species, they go by various ...

Severe cold temperatures hitting much of the country this week could branch out − literally. As people brace for the winter weather, some social media posts in recent days have warned of the chance ...

Bitterly cold arctic air has blanketed parts of the United States over the last week, with some areas getting snow and subzero temperatures. Along with the cold weather comes a natural event called ...

We humans have long viewed ourselves as the pinnacle of evolution. People label other species as "primitive" or "ancient" and ...

Phylogenetics is the attempt to reconstruct the evolutionary relationships between species. Historically, this was done using quantitative morphological data, but modern methods rely more heavily on ...

Duplicated genes that appear in every branch of the tree of life can provide us with insight into the evolution that occurred ...