resulting in a frigid "Snowball Earth." But they've argued quite a bit about just how icy the planet got — specifically, whether thick glacial ice covered the entire globe, all the way down to ...

Virtual Earth Online uses Google Earth technology to recreate the entire Earth within the game. Your house is in this game! Every river, road, tree is here. Build cities and teleport around the ...

All of these things happened during Snowball Earth upheaval," Courtney-Davies said. "We have to better characterize this ...