The icy depths of Greenland have revealed fossils that date back 3.7 billion years, and what scientists are learning from them is nothing short of extraordinary. Scientists have discovered the oldest known fossils on Earth, 3.7 billion-year-old microbial remnants, uncovered in Greenland’s Isua Greenstone Belt. This exceptional discovery suggests that life emerged rapidly in Earth’s ancient past, shortly after... [3319 chars]