Nasa has published the first images from a spacecraft which has been scanning the skies since January.
Yvo de Boer, the UN's top climate change official has said he will resign after nearly four years in the post, AP news agency says.
Scientists analyse the genomes of five southern Africans, including Archbishop Desmond Tutu.
One of the rarest whales in the world was not a victim of extensive whaling as previously supposed, a study says.
A large crow considered one of Britain's smartest birds is ruled out as the reason behind declines in wading birds.
A New Zealand activist who boarded a Japanese whaling ship in protest is to be taken to Japan for questioning.
Scientists are publishing details of their research of the DNA of large wild cattle that died out almost 400 years ago.
The final spacewalk of the current shuttle mission to the International Space Station is set for early Wednesday morning.
Red squirrels are returning to areas of Scotland where they have not been seen for years, according to campaigners.
The Egyptian 'boy king' Tutankhamun may well have died of malaria exacerbated by a rare bone disorder, experts say.
Scientists in California say a drop in coastal fog could threaten the state's famed, giant redwood trees.
Scientists confirm that a meteorite that crashed to Earth 40 years ago contains millions of different organic compounds.
The International Space Station has been fitted with its last major components, including the largest window ever sent into space.
Male great bustards point their tail feathers towards the Sun during elaborate mating displays, scientists find.
Sick ants abandon their nests to die in seclusion, reducing the risk of transmitting disease to the relatives, researchers say.
Fossilised coral in the Great Barrier Reef could help scientists understand how sea levels have changed since the last Ice Age.
British Airways strikes a deal to build in the UK the first plant in Europe to produce jet fuel from waste matter.
The professor behind the Climategate affair, admits some of his decades-old weather data was not well enough organised.
As the Chinese Year of the Tiger begins, scientists say the world's biggest cat may be more ancient and unique than we thought.
Scientists answer the weighty question of whether fast-moving elephants walk or run.