Molecules from the 20-million-year-old teeth of a rhino relative are among the oldest ever sequenced, opening tantalizing ...

Proteins degrade over time, making their history hard to study. But new research has uncovered ancient proteins in the enamel ...

In just the last several months, de-extinction — bringing back extinct species by recreating them or organisms that resemble ...

In just the last several months, de-extinction—bringing back extinct species by recreating them or organisms that resemble ...