An international team of scientists from South Africa, Canada, France and the UK has uncovered fossil evidence of a tiny ecosystem that helped kick-start the recovery of Earth's oceans after a global ...

Add Yahoo as a preferred source to see more of our stories on Google. Mysterious micro-burrows in desert marble and limestone were probably made by microbes that lived millions of years ago. Exactly ...

Across two very different continents, scientists are mapping vast systems of ancient tunnels that were not carved by rivers or humans. In southern Africa, microscopic passageways etched into solid ...

Mysterious micro-burrows in desert marble and limestone were probably made by microbes that lived millions of years ago. Exactly what kind of microbes bored into the rock remains unknown, as does ...