What to know about death cap mushrooms, blamed for poisonings in California Death cap mushrooms look harmless, but are responsible for the majority of the world's mushroom-related deaths. California officials say 21 people have been sickened in recent weeks, one fatally. Rachel Treisman
How many species are on Earth? There are roughly 2.5 million known species on the planet, but scientists estimate that's only a fraction of the biodiversity on Earth. A new study shows we're finding new species like never before. Nathan Rott
Light from satellites will ruin majority of some space telescope images, study says Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other scientific instruments. Chandelis Duster
Elephant seals remember their enemies Elephant seals don't forget their enemies. We learn about the great beasts' big beefs and why they matter. Ava Berger
This High Arctic rhino may change what we know about ancient animal migrations A 23-million-year-old rhinoceros fossil is reshaping scientists' understanding of mammal evolution. Aru Nair
Your glitchy video calls may make people mistrust you Brief glitches in video calls may seem like no big deal, but new research shows they can have a negative effect on how a person is perceived by the viewer. Nell Greenfieldboyce
Martian dust devils generate sparks Dust swirling around on Mars can generate electrical activity that's like bursts of mini-lightning.
A bright spot for turtles: Olive ridleys are recovering in India, but still at risk India's olive ridley turtle numbers appear to have rebounded after years of patchwork efforts to stem their decline. Can it last? Diaa Hadid
The evolutionary history of kissing, moss in space, and the origins of the moon Emily Kwong and Regina Barber of NPR's Short Wave podcast talk about the evolutionary history of kissing, how moss spores fare in space, and new clues about the collision that created the moon. Emily Kwong
Fever helps the body fight off viruses: But how does it work? New research shows feverish temperatures make it more difficult for viruses to hijack our cells. A mouse study suggests it's the heat itself that makes the difference. Jonathan Lambert