Over thousands of years, humans from Eurasia trekked more than 12,400 miles to eventually reach the southernmost tip of South ...

Researchers have analyzed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through lice rather than ticks, and how it gained ...

The treatment of leukemia among children could be made more precise with fewer side effects with the help of more accurate ...

Imagine looking at thousands of scattered puzzle pieces and trying to guess what picture they create. Without any reference ...

Mitochondria turn the food we eat into the energy our cells can use. But when stress hijacks the process they use to maintain ...

Mounting evidence from genome studies indicates that, contrary to received wisdom, our species has undergone profound ...