Approximately 550 million years ago, at the end of the Ediacaran Period, the majority of species on Earth died out due to a decline in worldwide oxygen supply, according to a new study by geobiologists at Virginia Tech. This early ...

Volcanic eruptions caused huge climatic shifts 252 million years ago, when the Earth was young. As a consequence, around 75% of all ground animals and over 90% of all marine species perished all across the world, according to estimates. A ...

At the equator, the tropical water is home to one of the richest diversity of marine life on Earth. Massive aggregations of tunas, manta rays, vibrant coral reefs, and sea turtles are just among a few creatures that swim happily ...