In regressive evolution, organisms lose complex features and can appear to evolve "in reverse." But evolution doesn't retrace its steps, experts said. When you purchase through links on our site, we ...

Imagine a photograph of your great-grandparents, grandparents and parents side by side. You’d see a resemblance, but each generation would look distinct from its predecessors. This is the process of ...

For years, the Ulas family in Turkey has received a lot of attention from the scientific community. Because five members of the family walk on all fours, one scientist concluded over a decade ago that ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Imagine a photograph of your great-grandparents, grandparents and parents ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

They live--thrive, even--in boiling water! They feed on sulfur or hydrogen. They could be from one of the moons of Jupiter. In fact, their existence here on Earth has led scientists to realize that ...

A scientific debate about a family in Turkey has continued for years, all because multiple members of the family walk on all fours. One scientist infamously dubbed the condition backwards evolution, ...