A deficiency of oxygen and the heavy metal molybdenum in the ancient deep ocean may have delayed the evolution of animal life on Earth by nearly two billion years, a study led by UC Riverside...
About 80 million years ago-a time when dinosaurs ruled the Earth-global sea levels were roughly 560 feet (170 meters) higher than they are today, according to a new study
Call it the ocean that time forgot. About 400 million years ago, the Rheic Ocean played a big role in Earth's history. When this massive body of water closed, the Appalachians were lifted to...
Fossils of sardine-size fish that swam in ancient oceans are the earliest examples of vertebrates with teeth that grow from their jawbones, according to new a new study.
The fish, which lived...
