New evidence emerges on the origins of life

In the beginning, there were simple chemicals. And they produced amino acids that eventually became the proteins necessary to create single cells. And the single cells became plants and animals. Recent research is revealing ...

Which is most valuable: Gold, cocaine or rhino horn?

Many of the world's largest herbivores—including several species of elephants, rhinoceroses, hippopotamuses and gorillas—are in danger of becoming extinct. And if current trends continue, the loss of these animals would ...

Research prompts rethink of enzyme evolution

New research by scientists at New Zealand's University of Otago suggests a need for a fundamental rethink of the evolutionary path of enzymes, the proteins vital to all life on Earth.

Sharks off the menu and on the tourist trail in Palau

In many places swimmers might prefer to avoid sharks, but wetsuit-clad tourists in Palau clamour to dive among the predators thanks to a pioneering conservation initiative that has made them one of the country's main visitor ...

Tide turns for shark fin in China

A sprawling market floor in Guangzhou was once a prime location for shark fin, one of China's most expensive delicacies. But now it lies deserted, thanks to a ban from official banquet tables and a celebrity-driven ad campaign.

US moves to protect scalloped hammerhead sharks

The National Marine Fisheries Service is listing four distinct populations of a hammerhead shark species as threatened and endangered under the Endangered Species Act.

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