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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

The Quipu superstructure is enormous, spanning 1.4 billion light years – and it could violate one of our fundamental assumptions about the universe

Pig gelatin can be used to make a robotic arm that safely biodegrades, rather than adding to landfill

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

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

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

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

A prosthetic hand that weighs about half that of a human hand also enables wearers to carry out intricate tasks, such as tying knots

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

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

The sounds that make up humpback whale songs follow some of the same statistical rules seen in human languages, which may be because of how they are learned

Genetic analysis suggests a form of mosquito found in urban subway systems evolved in the Middle East thousands of years ago

If you have the patience to repeatedly switch an egg between a hot and a colder pan, you'll be rewarded with an amazing taste and texture, say physicists

A remarkable plesiosaur fossil reveals that the extinct reptiles had scales like modern sea turtles, unlike the ichthyosaurs that lived during the same period

A lidar scanner has a resolution so high it can image ridges and indentations of only 1 millimetre on objects hundreds of metres away – and capture objects as distant as 1 kilometre

The risk of asteroid 2024 YR4 hitting Earth seems to be creeping up as astronomers gather more data, but does that mean we should be scrambling to prepare for an impact in 2032?

A group of male koalas were filmed grooming and playing together, in contrast to their solitary reputation, probably as a result of an unusually dense population in southern Victoria

A temporary loss of access to key datasets on levels of CO2 in the atmosphere added to concern about the potential fallout of the Trump administration’s attacks on climate science

Barcodes contain a checksum – an ingenious use of mathematics that even lends itself to a fun way to surprise your friends, says Katie Steckles

In Shroud, Adrian Tchaikovsky's intriguing new novel, two women marooned on a strange moon encounter alien life – and struggle to recognise intelligence in other beings, finds Emily H. Wilson