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.

The findings, announced in a Jan. 22 press release, are the result of a study of 5,500-year-old human remains in Sabana de ...

Sequencing mammoth DNA has already helped scientists map out how these Ice Age giants evolved, migrated, and survived. But there's a hidden layer of history still waiting to be decoded – the microbes ...

Scientists have recovered a genome of Treponema pallidum – the bacterium whose subspecies today are responsible for four treponemal diseases, including syphilis – from 5,500-year-old human remains in ...

A group of ocean bacteria long considered perfectly adapted to life in nutrient-poor waters may be more vulnerable to ...

Common ocean bacteria struggle to divide when conditions change, reshaping how warming seas affect ecosystems.