Hosts from NPR's science podcast Short Wave talk about an exoplanet with pink, salty clouds, the surprising social structure of ancient human relatives and the origins of laughter.

A man who volunteered as an otter spotter made some scientific discoveries along the way.

Dr. Christopher Kerr put together a tool kit for the dying and their families to help them talk about the experience.

Mona Khalil died Friday after an Israeli airstrike hit her beachside home two weeks ago. She's credited with creating a conservation movement in southern Lebanon to protect sea turtle nesting grounds.

Why do some butterflies live for months while others survive only weeks? Tufts University researcher Jessica Foley explains what Heliconius butterflies can teach us about aging.

Loons, beloved American waterbirds, face threats from climate change and pollution. An oil spill settlement funds a new phone app helping non-scientists to aid research on these birds.

A new study looks at one of the most prolific pathogens in human history — the plague.

NPR's Adrian Florido speaks with ecologist Justin Stewart about mapping the complex network of fungi connecting the Earth's plants.

Albania's government has given preliminary approval to plans for the luxury resort along a stretch of coastline, prompting daily protests and legal challenges by environmental groups.

One of the world's leading brain research centers is shifting away from fruit flies and toward a tiny, transparent fish. The goal: to understand how brains control the behavior of an animal or human.