Phylogenies are a fundamental tool for organizing our knowledge of the biological diversity we observe on our planet. But how exactly do we understand and use these devices?

These lifeforms make up a category informally called a “supergroup,” which sits below domains and can contain multiple kingdoms. “This is an ancient branch of the tree of life that is ...

University of Colorado at Boulder researchers have discovered four new kingdoms ... "These family trees, or phylogenies, help scientists group organisms into kingdoms," said Meyer.

The kingdoms that used to crown its top — plants, fungi and animals — still exist. But they’ve moved. In the new diagram, the tree’s former crowning glories shrink to mere side branches ...