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 ...

Marine animals, such as the extremely simple flatworm Trichoplax, are ideal model organisms for studying the early ...

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 ...

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 ...

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

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

Chaga mushrooms are a birch-tree fungus from cold climates that people have used for centuries, and they’re now commonly consumed as tea or supplements. Animal and test-tube studies suggest chaga ...