Geologists have long known that around 155 million years ago, a 5,000 km long piece of continent broke off western Australia and drifted away. They can see that by the 'void' it left behind: a basin ...

A Feb. 10 Facebook video (direct link, archive link) shows renderings of Earth, maps and mountains of ice and snow. “What if Antarctica is simply a giant ice wall that prevents us from seeing the rest ...