What is the Tully monster? Learn more about the near-nameless fossil, and why experts still can't agree on its classification ...

One hundred years ago, the small town of Dayton, Tenn., became the unlikely stage for one of the most sensational trials in ...

Birds-of-paradise have captivated the planet with their elaborate plumage and idiosyncratic mating dances. Some species ...

The venture, privately funded to start, is now run by the University of Arizona. And today, scientists there are quietly ...

In a groundbreaking analysis that could shift the landscape of biological understanding, researchers from the University of ...

Polyploidy, or whole-genome duplication (WGD), is a major mechanism of genome evolution across the tree of life and is ...

More information: Andrew J. Alverson et al, Phylogenomics reveals the slow-burning fuse of diatom evolution, Proceedings of the National Academy of Sciences (2025). DOI: 10.1073/pnas.2500153122 ...

Scientists Mapped the Evolution of 11,000 Bird Species to Build the Avian Tree of Life By combining data on all known bird species, this tree is the most impressive snapshot yet of one of Earth ...

Most of us can imagine a tree of life; some can even sketch one out. Branches coming off branches coming off branches, each describing a turn in evolutionary history. Over here are the molluscs.

A popular model of evolution concludes that it was incredibly unlikely for humanity to evolve on Earth, and that extraterrestrial intelligence is vanishingly rare.

Long known as a messenger within cells, RNA is increasingly seen as life’s molecular communication system — even between organisms widely separated by evolution. Cells across the tree of life can swap ...