Learn how the hominins’ consumption of grasses led to changes in their teeth around 700,000 years later.

For billions of years, Earth has been bombarded by tiny particles of rock and metal from space. When these extraterrestrial ...

The Gulf of Maine—home to commercial fisheries for oysters, clams and mussels—has unexpectedly avoided an increase in ...

Diana Thatcher, an Iowa State lecturer and researcher in earth, atmosphere and climate, collects clam specimens during a June ...

Scientists studied the annual bands built by crustose coralline algae to help determine a history of seawater chemistry in ...