Scientists may have found proof of the oldest life on Earth. According to the new evidence, life on Earth may have begun as early as 300 million years after Earth first formed. The previous confirmed oldest life on Earth was dated around 3.5-3.7 billion years old. Many scientists believe the Earth formed around 4.5 billion years ago. That makes these new microfossils a startling 4.2 billion years old, if proven correct.
The discovery that the oldest life on Earth may have formed so early is exciting for a number of reasons. First, it shows that life was finding a way even back when the Earth wasn’t as habitable as it is now. Second, the scientists involved believe that these types of microfossils could also exist as signs of life on alien planets.