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There's a possibility the Mars rover has found signs of carbon-containing molecules on the red planet. That discovery is exciting because of what it might say about the Martian environment where the rover is sitting at the bottom of Gale crater.

The four crewmembers spent a half-year on the International Space Station conducting dozens of experiments and science research. NASA's Crew-8 mission relieved them on the orbital outpost last week.

One sign of the poverty they're investigating — the recent (and surprising) reemergence of hookworm in Lowndes County, Ala.

Science writer Henry Fountain says the deadly quake that shook Alaska in 1964 was so loud some thought it was the beginning of World War III. His new book is The Great Quake.

NPR's Scott Simon talks to behavioral scientist Uri Simonsohn about how one of the scientists behind 2010 research on 'power poses' is distancing herself from that work.

Xinjiang has nearly 20,000 glaciers, half of China's total. They're all receding at a record pace — and will continue to melt, some scientists warn, even if global temperatures stop rising.

The wildfire in Lahaina, Maui, spread through extreme winds and intense heat. Still, a handful of houses were untouched thanks to the owners preparing the buildings and yards.

A century ago, Nikola Tesla was a world-famous wizard of electrical engineering. But he fell into obscurity, and his lab on Long Island, N.Y, which was supposed to be his crowning achievement, has long sat derelict. Now a crowdsourcing campaign has brought out donations from Tesla fans around the world.

Dr. Catherine Baucom was stuck in a massive traffic jam caused by an accident in Baton Rouge, La. TV station WAFB reports she borrowed a seven-year-old girl's bike. Baucom, wearing a green surgical outfit, pedaled for miles to surgery on a small pink bike with a pink princess helmet.

Dr. Marvin Bittner, Creighton University School of Medicine Associate Professor and Infectious Disease Specialist, says this week, which is National…