Science news articles about 'giant boulders'

Huge waves may have hurled massive coral boulders onto the South Pacific island of Tongatapu within the last 7,000 years, according to scientists who think a volcano triggered the tsunami.

Penguins waddle over giant boulders and dive into the shallow turquoise sea to the delight of camera-ready tourists near the tip of South Africa.

... cliffs of Ireland's Aran Islands, ridges of giant boulders have puzzled geologists for years. What ... these rocks around. The radiocarbon data show that not only are some boulders moving in recent years, but also that some of them have been in the ridges ...