Written by With a surface hot enough to melt lead and with clouds of sulphuric acid above it, it is a planet often called Earth’s “evil twin” – similar in size, yet worlds apart. Some scientists have long believed it was once much more hospitable, home to cooler temperatures and oceans of liquid water. But now researchers […]
Mark Garlick/Science Photo Library/Alamy There is something strange about Earth. A few billion years ago, a process started here that we have never seen anywhere else. It completely reshaped the planet’s surface and its carbon cycle, sculpted new landscapes and has kept our home temperate and habitable for billions of years. That process is plate […]