Millions of women have pre-menstrual dysphoric disorder, or PMDD. But diagnoses and treatments vary considerably.

New research suggests sunlight has unexpected benefits, but this doesn't mean everyone should ditch their sunscreen.

For months, agency scientists have been waiting for the Trump administration to release their final report on PFNA.

Peatlands act as a crucial climate regulator, and are increasingly at the center of conflicts over resource extraction.

Amid Trump-era funding turmoil, foundations are finding themselves pulled in many directions to fill in the gaps.

Oren Harman's "Metamorphosis" explores the minutiae of biological change and the mechanics of how life shifts forms.

On a dark, drizzling January evening in 2014, Alyssa Gehman headed out to the Olympic Peninsula in Washington state to catch the midnight tide. There, in the bitter winter darkness, she caught a sea ...

For decades, Sanibel Island, one of the most treasured vacation resorts in America, was an insurance agent’s dream. Year after year, the 5,000-odd residents of the barrier island on Florida’s Gulf ...

Carbon dioxide has a terrible reputation. It’s much maligned because of its role as a biosphere-threatening pollutant, but in fact the atmospheric compound has been a critical driving force behind the ...

Welcome to Entanglements. In this episode, hosts Brooke Borel and Anna Rothschild talk to Tom Zeller Jr., Undark’s editor-in-chief, about covering science under the Trump administration. On most ...