A 550-million-year-old fossilized digestive tract could shed light on the early history of animals on Earth and a key moment in evolution.

Dating sediment from a cave in Java leads scientists to conclude that ancient humans and Homo erectus didn't meet.

New research indicates climate warming and mercury contamination at the time of the Deccan Traps volcanism.

A 35 million-year-old whale fossil is a brand new species and represents an intermediate stage between foot- and tail-powered swimming.

Scientists have discovered the world's oldest "comma" shrimp, a tiny crustacean shaped like its punctuation namesake.

The rule of thumb about eating oysters in certain months of the year goes back at least 4,000 years, a new study shows.

A drop of fossilized amber from a mine in northern Myanmar contains not just a beetle but also 62 grains of pollen still clinging to its legs.

Scientists had thought that a lack of oxygen in Earth's oceans may have led to the world's best preserved fossils. New research suggests that's not true.

"These fossils tell us for the first time how exactly our planet recovered from this global cataclysm."

An Australian fossil reveals the world's oldest known land-dwelling slime mold, which may be a key step between single- and multicellular creatures.