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Tuberculosis kills 1.6 million a year — the second deadliest infectious disease after COVID-19. Using immune cells and mRNA technology, scientists in South Africa are working on a new vaccine.

Pope Francis in his traditional Christmas message urged "all people of all nations" to find courage "to silence the sounds of arms and overcome divisions" plaguing the world, from the Middle East to Ukraine, Africa to Asia.

NPR's Michel Martin talks to Diébédo Francis Kéré, the first African to win the Pritzker Architecture Prize.

Writer Candice Millard tells the dramatic story of two 19th-century British explorers who spent years trekking through East Africa, enduring injury and illness in a search for the source of the Nile.

They call themselves the coral whisperers: a global band of scientists working together to save the world's coral reefs.

Steve Inskeep talks to André Borschberg, one of 2 Solar Impulse pilots. The plane will attempt a 5-day trans-Pacific flight from Nanjing, China, to Hawaii, as part of a round-the-world journey.

After the worst year for shrimping in recent memory, fishermen in the Southeast U.S. say they're thankful to catch jellyfish for the Asian market. But conservationists say the expanding jellyfish fishery is a sign of the ocean's decline.

An ecologist wondered if Hawaiian menus might help explain what happened to Hawaii's sea turtle population. But the menus revealed another marine tragedy: that local fish numbers had dropped to about a tenth of what they once were.

The Trump Administration has approved the search for oil and natural gas off the Atlantic coast. Late last month, the federal government gave the green...

A vintage ocean liner stops dead in the water in Kate Christensen's latest. Critic Maureen Corrigan says the voyage is an "entertaining and elegantly written story about social class."