The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain ...

Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

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(CNN) — Human evolution’s biggest mystery, which emerged 15 years ago from a 60,000-year-old pinkie finger bone, finally started to unravel in 2025. Analysis of DNA extracted from the fossil ...

Recent fossil finds could mean that "Lucy" wasn't our direct ancestor, some scientists say. Others strongly disagree. When you purchase through links on our site, we may earn an affiliate commission.

In Nepal’s Upper Mustang, near the southern edge of the Tibetan Plateau, life unfolds in some of the thinnest air on Earth. Oxygen levels are around 60% of what most humans are used to breathing.