Researchers have uncovered a remarkable fossil site in a remote part of Canada's Northwest Territories, offering ...

Oxygen played a key role in the evolution of complex organisms, according to new research published in BMC Evolutionary Biology. The study shows that the complexity of life forms increased earlier ...

From butterflies to blue whales, corals and worms, Earth is home to an incredible diversity of animals. How all of these ...

Analyzing fossils can be difficult -- especially when they're so small that they can only be seen with a microscope. Researchers have now come up with a solution. Fossils don't always come in large, ...

Scientists have discovered that complex life began evolving much earlier than traditional models suggested. Using an expanded molecular clock approach, the team showed that crucial cellular features ...

Earth’s earliest microbes may have built vital chemistry around molybdenum, a metal thought too scarce to matter in ancient ...

If you could travel back roughly 250 million years, you would not see the Earth you know today. Instead, you would arrive at ...