Costa Rica: Turrialba volcano spews ash in powerful eruption

Costa Ricas Turrialba volcano belched a column of gas and ash high into the sky on Tuesday (26 October), the latest in a series of eruptions at the majestic volcano. According to officials, the eruption occurred at 8.37am and was a little bigger than recent activity at the site. Geologist Floribet Vega said that dozens of eruptions have been registered at Turrialba in recent days. Oct 28, 2015

New species of Galapagos giant tortoise identified

Scientists have identified a new species of giant tortoise on the Galapagos Islands, using genetic data to determine that a group of 250 of the slow-moving grazing reptiles was distinct from other tortoise species residing in the Pacific archipelago. Oct 22, 2015