Ancient DNA reveals that plague repeatedly returned to Europe for more than 400 years after the Black Death, evolving into

A decade-long NIST experiment has produced a new measurement of the universal gravitational constant that differs unexpectedly from another leading

Scientists have developed ultra-bright nanoparticles that can detect tiny amounts of chemicals and distinguish between molecules that look almost identical.

Researchers may have solved a long-running mystery surrounding the Dead Sea Scrolls by proposing that the Qumran sect really did

Cats may identify one another through a surprisingly durable chemical “calling card” made from 13 unusual fatty acids in their