A condition affecting the vast majority of older cats is going largely undetected in homes across the world — not because owners don't care, but because cats are exceptionally good at hiding the fact that they're in pain.
The human body gives off a faint glow of visible light, produced by ordinary chemical reactions inside living cells.
In February 1971, while travelling back from the Moon as the lunar module pilot of Apollo 14, the American astronaut Edgar Mitchell experienced something he later described as life-changing.
The New England Centenarian Study at Boston University has been following people who live past 100 since 1994. It is the largest study of its kind in the world, and the longest-running.
The American mathematician Claude Shannon, working at Bell Labs in 1949, sat down with a pencil and a sheet of paper and tried to estimate how many distinct games of chess could in principle be played.
Singapore Airlines Flight SQ24 departs John F. Kennedy International Airport in New York at around 9:30 in the evening, lifts off into the Atlantic, and turns north.
A neutron star is what remains after a massive star — somewhere between roughly seven and twenty times the mass of the Sun — runs out of nuclear fuel and collapses under its own gravity in a supernova explosion.
The argument is a peer-reviewed prediction of inflationary cosmology, developed most thoroughly by the physicist Max Tegmark, then at the University of…
Helen Viola Jackson died on 16 December 2020 at a nursing home in Marshfield, Missouri, at the age of 101. She was the last surviving widow of a Civil War…
Tom Mueller helped build the engines that made Falcon 9 and Dragon work, and his next company has now raised more than $1 billion to solve a quieter problem: what happens after a rocket lets go of its payload.
An octopus has three hearts. Its blood is blue, and carries oxygen using copper rather than the iron our own blood uses.
On August 15, 1977, Ohio's Big Ear telescope recorded a 72-second narrowband signal from Sagittarius so strong its discoverer circled it and wrote 'Wow!' in red ink. Despite decades of searches and a recent Arecibo re-analysis pointing toward a possible hydrogen-cloud maser flare, nobody has ever heard it again.
The Sun accounts for about 99.86 per cent of all the mass in the solar system. Put the other way around, every planet, moon, asteroid and comet combined comes…
The naked mole-rat is a small, hairless, more or less blind rodent that lives in colonies under the deserts of East Africa.
On 1 July 2025, the ATLAS survey in Chile picked up a faint object moving on a path that did not belong to the solar system.
Antarctica is the largest desert in the world. Not the largest cold desert, or the largest unusual one, but the largest desert of any kind, ahead of the Sahara by several million square kilometres.
