After 17 years underground, red-eyed Brood II cicadas emerge.
A breakthrough technique delivers a see-through brain.
Plentiful ice in the Saturn system hints at its age.
Diversity in algae-eating fish protects coral from toxic seaweed.
More carbs in our diet helped harmful oral microbes to succeed.
Astronomers measure how fast a black hole spins.
A new study identifies a likely ancestor to all placental mammals.
Scientists are using human ancestry to study modern diseases.
Bones reveal that ancient human relatives were part-time tree dwellers.
A river valley found on a distant moon resembles Earth’s Nile.