How James Webb Space Telescope data have already revealed surprises
Massimo Pascale wasn’t planning to study the galaxy cluster SMACS 0723. But as soon as he saw the cluster glittering in the first image...
SCIENTIFIC NEWS
50 years ago, the dinosaurs’ demise was still a mystery
What did in the dinosaurs: Warm blood or soft eggs? — Science News, July 22, 1972 Dinosaurs might have been endothermic, or warm-blooded…. The...
Mammal ancestors’ shrinking inner ears may reveal when warm-bloodedness arose
Hot or not? Peeking inside an animal’s ear — even a fossilized one — may tell you whether it was warm- or cold-blooded. Using...
A new technology uses human teardrops to spot disease
Human tears could carry a flood of useful information. With just a few drops, a new technique can spot eye disease and even glimpse...
Dogs are great sniffers. A newfound nose-to-brain connection helps explain why
A dog’s brain is wired for smell. Now, a new map shows just how extensive that wiring is. Powerful nerve connections link the dog...
These huntsman spiders do something weird: live together as a big, happy family
How descendants of cannibals evolved abilities to share a home mostly without killing each other — never mind the rare oopsie snack — resonates...
The top side of an elephant’s trunk stretches more than the bottom
On a sunny day at Zoo Atlanta in 2020, Kelly the African bush elephant reached for a snack and revealed something strange. High-speed cameras...
Clouds in the Milky Way’s plasma bubbles came from the starry disk — and far beyond
Huge bubbles of plasma billowing out from the Milky Way’s center might contain scraps from all over the galaxy — and beyond. A new...
Underground heat pollution could be tapped to mitigate climate change
The secret to efficiently heating some buildings might lurk beneath our feet, in the heat that humans have inadvertently stored underground. Just as cities...
Here are experts’ answers to questions about COVID-19 vaccines for little kids
Four weeks ago, the U.S. Centers for Disease Control and Prevention signed off on COVID-19 vaccines for young children. Days later, doctors’ offices and...
A new treatment could restore some mobility in people paralyzed by strokes 
What has Perseverance found in two years on Mars? 
This robot automatically tucks its limbs to squeeze through spaces 
Greta Thunberg’s new book urges the world to take climate action now