An atomic clock measured how general relativity warps time across a millimeter
A millimeter might not seem like much. But even a distance that small can alter the flow of time. According to Einstein’s theory of...
SCIENTIFIC NEWS
5 cool things to know about NASA’s Lucy mission to the Trojan asteroids
For the first time, a spacecraft is headed to Jupiter’s odd Trojan asteroids. What Lucy finds there could provide a fresh peek into the...
Barnacles are famed for not budging. But one species roams its sea turtle hosts
Barnacles aren’t exactly renowned for their athleticism, staying glued in place for much of their lives. But turtle-riding barnacles are fidgety travelers. As adults,...
Earth is reflecting less light. It’s not clear if that’s a trend
The amount of sunlight that Earth reflects back into space — measured by the dim glow seen on the dark portions of a crescent...
A Jupiter-like planet orbiting a white dwarf hints at our solar system’s future
A glimpse of our solar system’s future has appeared thousands of light-years away in the constellation Sagittarius. There a giant planet like Jupiter orbits...
Huge numbers of fish-eating jaguars prowl Brazil’s wetlands
In a tract of central Brazilian wetlands, jaguars spend their days wading through chest-deep waters searching for fish. When not hunting, the big cats...
Nostalgia may have bona fide benefits in hard times, like the pandemic
Over 300 years ago, Swiss physician Johannes Hofer observed disturbing behaviors among Swiss mercenaries fighting in far-flung lands. The soldiers were prone to anorexia,...
The fastest-spinning white dwarf ever seen rotates once every 25 seconds
The sun turns once a month and the Earth once a day, but a white dwarf star 2,000 light-years away spins every 25 seconds,...
Methods of getting results from real-world experiments win 2021 economics Nobel
Some of the most insightful — and now most celebrated — studies of such major social issues as minimum wages and immigration have seized...
The earliest evidence of tobacco use dates to over 12,000 years ago
Ancient North Americans started using tobacco around 12,500 to 12,000 years ago, roughly 9,000 years before the oldest indications that they smoked the plant...
Ukraine: Oleshky ceasefire offers ‘hope’ for civilians as attacks on aid vehicles continue 
World News in Brief: 300,000 displaced in Lebanon, Türk ‘deeply concerned’ over Novaya Gazeta closure, $50 million refugee appeal, World Cities Day 
DR Congo: Hunger deepens for millions amid conflict, Ebola and climate shocks 
African Athletes Should be Free to be Themselves