All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships ...

This “supergroup” contains an incredibly diverse range of predatory microbes that are extremely different genetically from any other form of life on Earth. The tree of life is a useful diagram ...

While such discoveries are rare, they offer unparalleled insights into Earth's early life forms, illuminating parts of the ...

By combining data on all known bird species, this tree is the most impressive snapshot yet of one of Earth’s most awe-inspiring classes of animal.

"You see the same amino acids in every organism, from humans to bacteria to archaea, and that's because all things on Earth are connected through this tree of life that has an origin, an organism ...

"You see the same amino acids in every organism, from humans to bacteria to archaea, and that's because all things on Earth are connected through this tree of life that has an origin, an organism that ...