The mother of all lizards found in Italian Alps

Scientists said Wednesday they had tracked down the oldest known lizard, a tiny creature that lived about 240 million years ago when Earth had a single continent and dinosaurs were brand new.

Mapping our galaxy: The Milky Way revealed

The European Space Agency will unveil on Wednesday a three-dimensional map of a billion stars in our galaxy that is 1,000 times more complete than anything existing today.

Can a plant be altruistic?

The concept of altruism has long been debated in philosophical circles, and more recently, evolutionary biologists have joined the debate. From the perspective of natural selection, altruism may have evolved because any ...

Human cloning with Chinese characteristics

Chinese genetic scientists must not be put off sensitive research by ethical concerns, the team behind a controversial study on modified human embryos said Wednesday as debate erupted over the paper.

Top Japan lab dismisses ground-breaking stem cell study

Japan's top research institute on Friday hammered the final nail in the coffin of what was once billed as a ground-breaking stem cell study, dismissing it as flawed and saying the work could have been fabricated.

The origins of multicellular life

The biological world around us is dominated by multicellular plants and animals. All of these intricate forms have evolved from far simpler, single celled ancestors.

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