Sequencing mammoth DNA has already helped scientists map out how these Ice Age giants evolved, migrated, and survived. But ...

Bacteria, the earliest life on Earth, evolved around 4 billion years ago, with the first fossilized traces dating back 3.5 billion years to 3.7 billion years. But fossils alone only hint at the past.

An analysis of the bones and teeth of ancient mammoths (Mammuthus) has identified some of the microorganisms that lived in the animals’ mouths and bodies more than one million years ago. The study, ...

Scientists have discovered the DNA of ancient microbes inside of the remains of woolly and steppe mammoths. This microbial DNA, which may be one million years old or more, may be among the oldest DNA ...