Christopher Intagliata

NPR's Sarah McCammon speaks with former U.S. NATO Ambassador Ivo Daalder about the implications of imposing a no-fly zone in Ukraine in response to the growing humanitarian crisis.

Researchers say they've found the oldest known relative of octopuses and vampire squids, in a fossil dug up decades ago in Montana. But unlike octopuses, the creature has 10 arms.

NPR's Sarah McCammon asks Hans Kristensen, director of the Nuclear Information Project at the Federation of American Scientists, what we know about Russia's nuclear stockpile and capabilities.

NPR's Sarah McCammon talks with Alex Wade at Doctors Without Borders about the humanitarian crisis in the Ukrainian city of Mariupol.

NPR's Sacha Pfeiffer speaks with retired U.S. Air Force general Philip Breedlove about calls for a no-fly zone over Ukraine — and why that could push Russia and the democratic West closer to war.

NPR's Ari Shapiro talks with Cecilia Rouse, chair of the Council of Economic Advisers, about Biden's State of the Union address and the impact of the war in Ukraine on the U.S. economy.

NPR's Ari Shapiro speaks with Frank Bruni about his new book The Beauty of Dusk: On Vision Lost and Found, a memoir about the author partially losing his eyesight.

Researchers tried to attach tracking devices to magpies for a study. But the magpies helped each other to remove them — a possible sign, the scientists say, of altruism in the birds.

The asteroid that wiped out dinosaurs hit in spring the northern hemisphere, a new study suggests. Scientists say animals in the different hemispheres may have fared differently after the event.

NPR's Ari Shapiro talks with earth scientist Brian O'Neill about a new major United Nations report on climate change.

Sarcasm isn't a typical approach to diplomacy, but it is one that Russia often takes. While it may seem humorous in the moment, the larger strategy affects how people view the conflict in Ukraine.

A new artificial intelligence program has beaten the world's best players in the popular PlayStation racing game Gran Turismo Sport. But the impact could be felt far beyond that.

Researchers at the University of Washington have developed a way of using DNA from elephant tusks to solve poaching mysteries and bring animal traffickers to justice.

This Sunday, football fans will choose sides in Super Bowl 56. But while much of the country is preoccupied with football, many others will spend the day rooting for another team: the owls.

Every year around the time of the Super Bowl, birding enthusiasts celebrate a different phenomenon with the same "#superbowl" hashtag: the Superb Owl.

Scientists pitted an artificial intelligence driver against real human gamers in the PlayStation driving game Gran Turismo. The AI driver beat them all.

NPR's Adrian Florido speaks with Jose Cintron, a middle school teacher in Puerto Rico, about the teachers' ongoing strikes to demand better wages and pensions.

Early humans seemed to strike the perfect balance in situating their hearths in the cave, preserving ample sitting and cooking space while avoiding the worst effects of smoke.

NPR's Ari Shapiro talks with Michael Carpenter, who represents the U.S. at the Organization for Security and Cooperation in Europe, on the threat that the European continent could be plunged into war.

Early humans seemed to strike the perfect balance in situating their hearths in the cave, preserving ample sitting and cooking space while avoiding the worst effects of smoke.