Neandertals may have been forging projectile weapons out of animal bones 50,000 years earlier than previously thought. A bone fragment unearthed from roughly 80,000-year-old rock in Europe shows signs of …
Beneath the great, white expanse of the Antarctic Ice Sheet, a mysterious realm of streams and lakes lies out of sight. Much about this hidden water world remains poorly understood. …
The clearest pictures yet of the newborn cosmos strengthen the prevailing model of the universe but deepen a mystery about its expansion rate. Measurements of this rate, known as the …
Post-workout cold plunges may be having a moment, but a new study dunks on the practice. After a tough workout, muscle recovery was no better in women who immersed themselves …
Earth’s landmasses are holding onto a lot less water than they used to — and this loss is not just due to melting ice sheets. Terrestrial water storage, which includes …
The Arabian Desert, today the largest expanse of windswept sand dunes on Earth, experienced recurring periods of humidity millions of years ago, researchers report April 9 in Nature. The study …
Conversational AI chatbots are making climate misinformation sound more credible, making it harder to distinguish falsehoods from real science. In response, climate experts are using some of the same tools …
Uranus emits more energy than it gets from the sun, two new studies report — a discovery that contradicts findings from the venerable Voyager spacecraft. When Voyager 2 sped past …
Soot from forest fires in the Amazon might play a role in the melting of faraway ice in Antarctica. For decades, scientists have known that black carbon from burning fossil …
Scientists have coaxed one of the universe’s most stubborn elements into a new compound. Formed under intense pressures, the newly discovered compound packs helium atoms into crystalline iron, researchers report …