EarthOtherworldly 'earth pyramids' make the Alps look alien You don't need a space ship to see alien landscapes up close. Just take a hike to these Piramidi di terra in the South Tyrol of northern Italy Regulars
EarthThe next supercontinent: Four ways Earth could reshape itselfPlate tectonics is a slow-grind drama with some dramatic plot twists – these scenarios show how Earth might look in 250 million ADFeatures