NASA fake Mars crew returns to the real world A year ago, NASA sent four people into isolation as part of a project to test how humans would cope with being on Mars for a year. Play AudioListen 10 mins
Scientists may have discovered a rare spade-toothed whale Scientists in New Zealand have discovered what they believe may be a rare spade-toothed whale - a creature that's never been spotted alive at sea. Christopher Intagliata Kai McNamee Play AudioListen 3 mins
Shortwave podcast explores Pluto's planetary demotion In this except from "Space Camp," a special series from NPR science podcast Short Wave, host Regina Barber delves into Pluto's demotion from planet to dwarf planet. Mallory Yu Regina Barber Play AudioListen 11 mins
Anti-whaling activist arrested in Greenland, could be extradited to Japan Canadian-American activist Paul Watson was en route to the North Pacific on a mission to intercept a new Japanese whaling ship when police boarded his vessel. The Associated Press
Animals at the Phoenix Zoo enjoy ice in the extreme heat Extreme heat isn't just hard on humans, which is why the Phoenix zoo delivers ice to grateful animals to keep them healthy and happy. Christina Estes Play AudioListen 3 mins
A scientist in Belize hopes bats can galvanize locals to protect their forests A Belizean bat scientist is looking to these fuzzy, flying mammals to act as emissaries to galvanize the people of Belize to protect their forests. Ari Daniel Play AudioListen 8 mins
Scientists are trying to plant a billion oysters in New York City waters Restoring the once plentiful oysters of New York City isn't an easy job. Scientists have been at it for more than a decade, but they’re still far from the goal of planting a billion of them. Rosemary Misdary Play AudioListen 4 mins
Astronomers are scrambling to save the world's most powerful X-ray space telescope NASA is facing a tight budget and wants to wrap up the Chandra X-ray Observatory, but astronomers don't want to see the 25-year-old X-ray space telescope mission go. Nell Greenfieldboyce Play AudioListen 4 mins
Here's a question for you: Do animals lie? A researcher shares examples of deception in the animal kingdom. Barry Gordemer Play AudioListen 2 mins
When did humans get to South America? This giant shelled mammal fossil may hold clues A fossil of an armadillo-like mammal appears to bear cut marks from butchering by humans, suggesting people were living in South America at least 20,000 years ago, even earlier than once thought. Ari Daniel Play AudioListen 5 mins
