Ancient crystal suggests life on Earth appeared 4.1 billion years ago
Monday, October 19, 2015 - 16:40
in Paleontology & Archaeology
(Reuters) - An ancient zircon crystal unearthed in Western Australia may hold evidence that life appeared on the planet 4.1 billion years ago, or about 300 million years earlier than previously thought, according to a team of U.S. researchers.