Strong leg muscles do not just keep you upright and mobile. They actively protect your brain, sharpen your thinking, and may ...

The way Sahelanthropus tchadensis moved has long been debated. The discovery of a small bump on the front of the thigh bone ...

A seven-million-year-old fossil may mark the moment our ancestors first stood up and walked.

Experts have revealed everything that can go wrong aboard the ISS that may have triggered this unprecedented evacuation.

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For decades, this question has bewildered biologists. Now, by studying Placozoa, scientists at Stanford University have ...

It's considered one of the most decisive steps in human evolution. Now, scientists believe they have pinpointed when our ...

Molecular discoveries may help improve treatments for labor and pain. When labor starts, the uterus must produce steady, ...

Scientific analysis, approved by then-Archbishop Jorge Mario Bergoglio (later Pope Francis), then involved Dr. Ricardo ...

Scientists may have cracked the case of whether a seven-million-year-old fossil could walk upright. A new study found strong ...

New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.

Using 3D technology and other methods, the team identified Sahelanthropus’s femoral tubercle, which is the point of ...