Bruce the kea is missing his entire upper beak. Yet he is the alpha bird of his circus (the apt collective noun for a group ...

A nearly complete 90-million-year-old dinosaur fossil, Alnashetri cerropoliciensis, is turning evolutionary theories upside ...

The beetle that ‘shouldn’t exist’ turns out to be a case study in how complex traits actually evolve. Here’s how it came to ...

The surprising escapes from near-death situations of beetles and other small animals illustrate how both prey and predators ...

Around 110 million years ago, two small pterosaurs about the size of modern seagulls were flying over a lake or river, likely ...

Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures that took over ...

Inexpensive, one-way attack drones are complicated threats to fight off. Not only can they sneak past air defenses with no concern for their own safety and strike valuable assets, but they are also ...

The Galapagos Islands are famous for the discoveries that shaped Charles Darwin's theory of evolution. Now an SFSU graduate has added one more: Ezra Mendales (M.S., '23) describes a new species as ...

One of the Tokara Leaf Warblers, Phylloscopus tokaraensis, was caught on Nakanoshima, Tokara Islands, in June 2017. Credit: Per Alström A new species, the Tokara Leaf Warbler, was identified using DNA ...

Tiny fossil eggs discovered in South Korea provide the first direct evidence of Cretaceous bird reproduction in the region, reshaping the story of avian evolution. A cluster of microscopic fossil eggs ...