Stunning image shows the closest ever Einstein ring
Albert Einstein himself thought that the eponymous Einstein ring would be impossible to observe, but the Euclid telescope has picked one up just 600 million light years from Earth
Astronomers have spotted the largest known object in the universe
The Quipu superstructure is enormous, spanning 1.4 billion light years – and it could violate one of our fundamental assumptions about the universe
Robot made from pig gelatin biodegrades when no longer needed
Pig gelatin can be used to make a robotic arm that safely biodegrades, rather than adding to landfill
We are all bad at choosing random numbers in our own unique way
An experiment in which people were asked to choose random numbers or boxes on a grid, then do the same a year later, has revealed that we each have our own unique approach to randomness - and we're generally very bad at it
Old fighter jets can be melted down and 3D printed into new ones
Turning old fighter jets into a fine powder and using that to 3D print new components is a more sustainable way to build the RAF's next-generation aircraft – and it avoids sourcing materials from Russia
Is Elon Musk’s DOGE going to break decades-old US government software?
Elon Musk's DOGE task force is reportedly being given unchecked access to the computers that run the US government, and experts warn that it risks bringing down systems and leaking sensitive data
Is the UK about to force Apple to reveal all of your encrypted data?
A report in The Washington Post says that the UK government has ordered Apple to reveal encrypted data held by any user, anywhere in the world – here is what you need to know
Dexterous and light prosthetic hand can tie knots and comb hair
A prosthetic hand that weighs about half that of a human hand also enables wearers to carry out intricate tasks, such as tying knots
The ocean is losing its ability to store heat as the planet warms up
Until now, 90 per cent of the excess heat created by greenhouse gas emissions has been drawn down into the ocean, but this capacity for heat absorption is now being lost, which could lead to longer marine heatwaves and harm ocean life
AI chip smaller than a grain of salt uses light to decode data
A tiny chip on the tip of a fibre-optic cable can passively harness light to perform AI computations, dramatically reducing the amount of energy and computing power required