Friday, Feb. 15, 2013: NASA’s Wide-field Infrared Survey Explorer (WISE) provides this image of The Great Nebula in Orion. The Orion Nebula (Messier 42) lies located in the sword of Orion, hanging ...

The newly appointed Secretary-General’s Envoy on Youth, Ahmad Alhendawi, was sworn in at UN headquarters on Friday, 15 February 2013. The Secretary-General described Mr. Alhendawi as a very ...

The week in science: Canada launches satellite to search for asteroids; big new biology prizes awarded; and Irish science gets cash injection.

Stretches of oak savanna in the Pacific Northwest of North America have been subject to fire-prevention measures since the mid-nineteenth century. The resulting grassland has lost plant species but ...