Chimps can take in new evidence, evaluate its strength, and change their minds. When Aristotle claimed that humans differ from other animals because they have the ability to be rational, he understood rational to mean that we could form our views and beliefs based on evidence, and that we…
Exquisitely preserved fossils come from a single site in Wyoming. Edmontosaurus annectens, a large herbivore duck-billed dinosaur that lived toward the end of the Cretaceous period, was discovered back in 1908 in east-central Wyoming by C.H. Sternberg, a fossil collector. The skeleton, later housed at the American Museum of…
“This does not meet the release conditions for a safe manned return.” Wrapping up 204 days in orbit, three Chinese astronauts flew back to Earth aboard a Shenzhou spacecraft Friday, leaving three crewmates behind on the Tiangong space station with a busted lifeboat. Commander Chen Dong, concluding his third…
Sequencing an ancient creature’s RNA opens up a new window into extinct life. A young woolly mammoth now known as Yuka was frozen in the Siberian permafrost for about 40,000 years before it was discovered by local tusk hunters in 2010. The hunters soon handed it over to scientists,…
Life with humans changed dogs in some dramatic ways, and it didn’t take long. Our best friends come in a fantastic array of shapes and sizes; a Borzoi looks nothing like a Boston terrier, except for a certain fundamental, ineffable (except to taxonomists) doggyness about them. And it’s been…
Early warning system being developed by universities may slow the plant pathogen. A Chinese plant scientist at the University of Michigan, who drew national attention in June 2025 when she was arrested and accused along with another Chinese scientist of smuggling a crop-damaging fungus into the US, pleaded guilty…
“Never before in history has a booster this large nailed the landing on the second try.” The rocket company founded a quarter-century ago by billionaire Jeff Bezos made history Thursday with the pinpoint landing of an 18-story-tall rocket on a floating platform in the Atlantic Ocean. The on-target touchdown…
Tiny chips can be powered by infrared light if they’re near the brain’s surface. Standard brain implants use electrodes that penetrate the gray matter to stimulate and record the activity of neurons. These typically need to be put in place via a surgical procedure. To go around that need,…
Ars chats with particle physicist Daniel Whiteson about his new book Do Aliens Speak Physics? Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply…
Tracking winds across Mars’ surface and their association with dust storms. Mars is cold, parched, and extremely dusty. Powerful gusts of wind kick up literal tons of reddish dust that often takes the form of whorls known as dust devils. These winds also shroud the planet in dust by…
