LifeFossil cells with 'tails' may have been moving 3.4 billion years ago Palaeontologists claim that early microorganisms may have moved under their own power using whip-like tails, but other researchers are sceptical News
LifeTiny 2-billion-year-old fossil blobs may be the oldest complex cells Fossils of single cells found in China are 2 billion years old, making them the oldest eukaryotic cells in the fossil record and possibly our distant relatives News