A fascinating new discovery is stirring up a huge scientific debate over life on Earth and beyond

Life on Earth is largely a mystery. How did it first form? Where did it first form? Well, microscopic fossilized tubes could be the very first life forms on Earth. A team of scientists discovered what may be the oldest fossils in northeastern Canada. The rocks are somewhere between 3.77-4.28 billion years old and hold key chemicals in the recipe for life.

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