Breeding season under way for Galapagos tortoises

Breeding season is under way for the endangered tortoises of Ecuador's Galapagos Islands, whose mating and nesting habits are carefully watched by wildlife specialists hoping to save them from extinction.

Ups and downs of biodiversity after mass extinction

The climate after the largest mass extinction so far 252 million years ago was cool, later very warm and then cool again. Thanks to the cooler temperatures, the diversity of marine fauna ballooned, as paleontologists from ...

Dome-headed dinosaurs did more than just butt heads

We have all seen nature shows with footage of bighorn sheep rearing up and "butting heads" with each other using their heads and enlarged horns. People often assume other animals with horns and comparable head structures ...

World pledges more money to protect biodiversity

Efforts to stem the worrying loss of Earth's dwindling natural resources received a boost Saturday when a UN conference in India agreed to double biodiversity aid to poor countries.

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