The evolution of human hands is one of the most important – and overlooked – stories of our origin. Now, new fossil evidence ...

In my new book, Understanding the Tree of Life, I explore why it is fundamentally misleading to view any current species as primitive, ancient or simple. Why understanding the tree of life matters --- ...

Life may have started in sticky, rock-hugging gels rather than inside cells. Researchers suggest these primitive, biofilm-like materials could trap and concentrate molecules, giving early chemistry a ...

Fossils from a Moroccan cave have been dated with remarkable accuracy to about 773,000 years ago, thanks to a magnetic ...

The curious minds at What If explore how primitive life first appeared on Earth, imagining microorganisms, oceans, and the origins of life. Trump walks back comments after insulting UK., NATO allies ...

The Environmental Protection Agency has stopped estimating the dollar value of lives saved in the cost-benefit analyses for new pollution rules. Los Angeles smog in 1979. For decades, government ...

Philosophers are generally expected to display wisdom and calm in the face of existential questions. I am just not one of those philosophers. I spent 30 years racing away from these thoughts by ...

Hematopoietic stem and progenitor cells (HSPCs), residing at the apex of the hematopoietic hierarchy, are critical for the generation of all blood and immune cell lineages. This unique capacity makes ...