Happier orangutans are more likely to live longer lives, say researchers.

Chinese and British companies agree a deal that will see three high-resolution Earth observation spacecraft map the Asian country's extraordinary growth from orbit.

Researchers propose that mysterious "filaments" of radio waves near the Milky Way galaxy's centre could be evidence of the existence of dark matter.

EU auditors say too many people who do little or no farming are receiving EU agricultural subsidies.

Weight loss efforts should focus on stopping snacking and eating smaller meals rather than calorie counting, say US researchers.

Experts raise doubts about DNA evidence that helped convict US student Amanda Knox of the murder of Meredith Kercher, a leaked report says.

Police in Lower Saxony, Germany, who tried to teach a vulture to sniff out corpses of missing people, run into difficulty two months into training.

Hundreds more firefighters are being deployed to help battle a growing wildfire near a top US nuclear weapons research lab in New Mexico.