Scientists warned that the increase in big-eaters means more food production - a major cause of CO2 gas emissions warming the planet.

This is the incredible story of Horatio - the golden fish that has swam around the last five years with his white belly pointing upwards and his eyes staring down.

Nasa sent Messenger to investigate mercury which is the smallest and densest planet in our solar system. Beside having the oldest surface and being the closest to the sun, Mercury also has the largest daily temperature variations in his surface.

Amazing Photos of Planet Mars

Flash animated Solar system.

In the deep history of our planet, there have been at least five short intervals in which the majority of living species suddenly went extinct. Biologists are used to thinking about how environmental pressures slowly select the organisms most fit for survival through natural selection, shaping life on Earth like an artist sculpting clay.

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, dinosaurs, nanotechnology, evolution - the latest discoveries in astronomy, anthropology, biology, chemistry, climate & environment, computers... This free service brings you breaking news about the latest discoveries and research projects in everything from astrophysics to zoology.

Russian scientists say they’ve managed to develop the most detailed picture ever of the insides of prehistoric animals. They made the discovery after studying a baby mammoth found immaculately preserved in the Yamalo-Nenets region in the Urals last year.