Potential hints of weird new particles in a dark matter detector have evaporated with new data. Following up on a beguiling result from its predecessor experiment, the XENONnT experiment found…
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The heaviest neutron star on record is 2.35 times the mass of the sun
A fast-spinning neutron star south of the constellation Leo is the most massive of its kind seen so far, according to new observations. The record-setting collapsed star, named PSR J0952-0607,…
An AI-assisted analysis of three-dimensional galaxy distribution in our universe
Flow chart of how the emulator developed by the research team works. Credit: Kavli IPMU, NAOJ By applying a machine-learning technique, a neural network method, to gigantic amounts of simulation…
Herminia Pasantes discovered how taurine helps brain cells regulate their size
When Herminia Pasantes Ordóñez was about 14 years old, in 1950, she heard her mother tell her father that she would never find a husband. Pasantes had to wear thick…
Herminia Pasantes discovered how taurine helps brain cells regulate their size
When Herminia Pasantes Ordóñez was about 14 years old, in 1950, she heard her mother tell her father that she would never find a husband. Pasantes had to wear thick…
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 from the James Webb Space Telescope,…
Native Grass Alternatives to Lawns
By Audrey Pongs There are few things more American than the concept of expansive lawns. We love our dutiful blades of grass, all lined up and trimmed, just waiting to…
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 combination of large size, endothermy and…
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 novel method that analyzes the…
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 signs of diabetes, scientists report July…
