Using the supposed objectivity of DNA to establish human hierarchy may be the dream of eugenicists, but for Kathryn Paige Harden, the goal of having and using genetic information is exactly the opposite.

If we’re all 99.9 percent the same genetically, does DNA have any impact on our chances of success in life?

Science and religion each have a range of explanations for how life came to exist on Earth. On the scientific side, can a theory called panspermia upstage its Darwinian counterpart?

The importance of our relationship with nature is coming into increasingly sharp focus, with a little help from a scaly mammal.

The global scourge of discarded plastic—from macro- to microscopic—is finally starting to get the attention it deserves.

The idea of matter as the basis of everything may seem beyond question. But a solely material view of the world doesn’t fill the enduring human need to understand why we’re here and what it all signifies.

Medical doctor Robert Klitzman talks about our increasing ability to design babies to our personal specifications.

Researchers and policy makers around the world struggle to lead human germ-line editing into the future.

Part 2: David Hulme interviews Achim Dobermann of Rothamsted Research about how agriculture will need to change if we hope to feed the world’s growing population.