For decades, scientists believed that life on Earth took at least a billion years to get started. The prevailing idea was ...

From 3 billion years ago to roughly 600 million years ago—right at the dawn of complex life on the planet—the Earth’s oceans would’ve been significantly more green than they are today.

For now, life is flourishing on our oxygen-rich planet, but Earth wasn't always that way – and scientists have predicted that ...

A new study published by an international team of researchers led by Taro Matsuo, an astrophysicist at Nagoya University in Japan, argues that this evolutionary trend made sense 3 billion years when ...

New analysis of ancient fossilised rocks known as stromatolites, preserved in southern Zimbabwe, suggests strong links to ...

The researchers behind the study estimate that Earth’s oxygen-rich atmosphere has about 1.08 billion years left before it ...

Earth is about 4.5 billion years old. Scientists think that by 4.3 billion years ago, Earth may have developed conditions suitable to support life. The oldest known fossils, however, are only 3.7 ...