No, it wasn't aliens. Head to the Pinnacles desert in Western Australia, and you might just think you’ve stumbled onto a Star Wars set, with a vast field of towering spikes of rock sticking out ...

Western science has long debated when the towering pillars of the Pinnacles came to be. A new study suggests most of the spires formed when a particularly wet period dissolved the surrounding rock.

Small iron-rich formations found within Western Australia’s Pinnacles, which are part of the world’s largest wind-blown limestone belt spanning more than 1000km, have provided new insights into ...