Depression may be an ancient adaptive response that is now misfiring in the modern world.

Human testicles are much smaller, in proportion, to some of our primate cousins. Evolution can tell us why. But the size of other body parts is a little bit more of a mystery.

Experts have long pointed to inflammation as a natural part of getting older. But a new paper suggests it might be more a product of our environment.

Direct-to-consumer biological age tests promise insights into how your body is aging, but experts say they should be taken with caution.

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion ...

A recent Harvard study reveals that vitamin D supplements may slow biological aging by protecting telomeres, offering potential anti-aging benefits.

Professor Matt Lerner, PhD joins WIRED to answer the internet's burning questions about neurodiversity. What are some signs of autism? What did people with autism do in the past? What does reading ...

Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new theory by a University of Alaska Fairbanks scientist.