The world's oldest rocks are spread across the globe and paint a picture of Earth's turbulent early history. Here are some of the most notable and important formations scientists have discovered.
NASA astronaut Don Pettit has snapped a striking shot of the super-bright comet racing past our planet for the first time in 160,000 years, as it lit up the night skies across the globe.
The Vendée Globe aims to use the media impact of the event to raise public awareness of ocean conservation throughout the round-the-world race. By sailing around the world, the Vendée Globe sailors ...