Lucy, a 3.2-million-year-old ancestor of humans, had shorter legs and smaller calf muscles and Achilles tendons. She would ...

Just over 50 years ago, paleontologist Donald Johnson unearthed the remains of "Lucy," an ancient human relative who lived ...

Lucy's species walked upright but lacked modern running abilities, revealing key evolutionary adaptations in humans.

Related: Lucy's last day: What the iconic fossil reveals about our ancient ancestor's last hours Modern humans have a long, spring-like Achilles tendon, the researchers noted, which connects calf ...

On a lakeside peninsula in Eastern Africa, archaeologists have found clues about a society that lived there over 3 million years ago.

Lucy, an early human ancestor who walked upright on two legs—a milestone in human evolution—had speed and energy efficiency ...

About 3.2 million years ago, our ancestor "Lucy" roamed what is now Ethiopia. The discovery of her fossil skeleton 50 years ago transformed our understanding of human evolution. But it turns out her ...

Ancient human relatives ran on two legs, like modern humans, but at a much slower pace, suggest 3D computer simulations of Australopithecus afarensis 1 — a small hominin that lived more than ...

Despite being bipedal, Lucy’s running capacity was slow and energetically inefficient compared to modern humans, highlighting evolutionary advancements in human anatomy crucial for endurance running.

Recent research suggests Australopithecus afarensis was able to run upright at speeds of around 5 meters per second ...

demonstrating the difference in running abilities between modern humans and ancient ancestors like Lucy. The study found that Lucy's physical features, including a wide torso, long arms ...

Despite being bipedal, Lucy’s running capacity was slow and energetically inefficient compared to modern humans, highlighting evolutionary advancements in human anatomy crucial for endurance ...