Does the narwhal's famous tusk help it catch fish? Intriguing video of narwhals using their tusks to mess with fish has scientists speculating about what this behavior might mean. Nell Greenfieldboyce
Planned development threatens view of Paranal Observatory With its clear, dark skies, northern Chile is home to two fifths of the world's astronomical infrastructure, but could that be under threat with increasing urbanisation and mining development? John Bartlett
5 years ago, movie theaters closed. NPR's movie critic looks back at COVID-19 The pandemic decimated the box office and the reshaped the moviegoing experience. NPR's movie critic, Bob Mondello, looks back on how his job changed during the early months of COVID-19. Bob Mondello
Failure is an option. Here's why some new space ventures go sideways Within the span of a few days, another SpaceX Starship broke up on re-entry, and two other space companies faced failures. This reflects a new "fail-fast, learn-fast" ethos of spacecraft development. Scott Neuman
Drone footage of narwhals sheds some light on their tusks Drone footage reveals what narwhals, the unicorns of the sea, actually do with their long spiraling tusks. Nell Greenfieldboyce
New research reveals ancient humans used animal bone tools much earlier than thought The handcrafted tools found in Tanzania were made 1.5 million years ago and were fashioned primarily from the bones of elephants and hippopotamuses. Chandelis Duster
Genetically modified citrus trees could help fight insect causing 'greening disease' A genetically engineered tree holds promise to possibly save Florida's citrus industry from an insect that causes "greening disease." The Asian citrus psyllid has devastated the industry. Jessica Meszaros
This week in science: a new desert flower, virtual lemonade and prehistoric bone tools In this week's roundup of science news, Emily Kwong and Regina Barber talk about a newly discovered desert flower, tasting lemonade in virtual reality, and prehistoric bone tools used by early humans. Regina G. Barber
Butterfly numbers have fallen by nearly a quarter since 2000 Butterflies of all kinds of species, in all parts of the country, have declined by one to two percent since 2000. Jonathan Lambert
That galaxy next door? It's home to a monster black hole The Large Magellanic Cloud, a close neighbor to the Milky Way, may house a giant black hole. It's the closest supermassive black hole outside of our galaxy. Nell Greenfieldboyce