Wild tiger numbers higher than previously thought

There are 40 percent more tigers in the wild than previously thought, but with a maximum of 5,578 on the prowl, they remain an endangered species, conservationists said Thursday.

Early urbanism found in the Amazon

More than 20 years ago, Dr. Heiko PrĂ¼mers from the German Archaeological Institute and Prof. Dr. Carla Jaimes Betancourt from the University of Bonn, at that time a student in La Paz, began archaeological excavations on ...

Study: Climate change a major factor in South Africa floods

The fatal floods that wreaked havoc in South Africa in mid-April this year have been attributed to human-caused climate change, a rapid analysis published Friday by a team of leading international scientists said.

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