Cyanobacteria are known to be the oldest living organism that existed when present on Earth from 2.1 to 2.8 billion years ago.
Although nearly every animal evolved to adapt to a new environment, some animals remained virtually unchanged from the infancy of evolutionary history.
About 230 million years ago, dinosaurs began to branch from their ancestors and began to dominate the ground. But they are not the first species to appear.
What does it contain inside that sky-high price? Alien's blood?
Nearly 500 samsara died on collective death on the beaches near Kitakyushu in southern Japan, causing experts to be confused.
Living fossil animals are species that remain in shape for millions of years, with little or even no relatives, representing a single species that still exists.