Cats may identify one another through a surprisingly durable chemical “calling card” made from 13 unusual fatty acids in their urine. The compounds appear linked to mysterious fat droplets in the kidneys and may represent a scent-recognition system shared across the cat family.

Google’s threat intelligence group said it had a mole inside TeamPCP's inner circle.

Thermacell LIV 2.0 is expensive and imperfect, but it outperforms nearly every mosquito-control method I’ve tried.

“This is a place where you can come and say, I fucking hate my dog today,” a Dogs Anonymous cofounder tells WIRED. “And there are people who are going to be like, yeah, that was me last Tuesday.”

A decade-long NIST experiment has produced a new measurement of the universal gravitational constant that differs unexpectedly from another leading result, deepening a 225-year-old physics puzzle. The discrepancy is tiny, but for one of nature’s most fundamental constants, it is large enough to keep scientists wondering whether hidden experimental errors or something more surprising is involved.

The president has doubled down on data centers and AI. His base is running in the opposite direction.

The Muse app continues Meta’s trend of opting users into data collection for AI training. It also nudges you to share your bank account, email, and passport information.

Unlike previous Ferrari four-seaters, this one is better for humans than cargo.

“You know ‘Bang Bus’? We don’t want that.”

Understanding how ChatGPT’s latest memory upgrade works will help you get even more out of OpenAI’s productivity tool.

Isotope ratios provide a hint that the giants were actively managing temperatures.

Several new studies have uncovered this long overlooked aspect of coral physiology that could be the key to the animals’ fate in a changing climate.

Ancient DNA reveals that plague repeatedly returned to Europe for more than 400 years after the Black Death, evolving into new lineages and spreading through trade, migration, and war. Researchers also developed a method to date ancient plague genomes more precisely, linking many of them to specific outbreaks recorded in historical sources.

A massive crater on Mars’ moon Phobos may hide a dense region of compressed material that could reveal whether the moon is a captured asteroid or debris from an ancient impact on Mars. Japan’s upcoming MMX sample return mission could provide the measurements and physical evidence needed to solve the mystery.

A single-celled organism can shrink to one-quarter of its length in milliseconds using a remarkable calcium-powered protein “fishnet.” Scientists hope its unusual machinery could inspire artificial muscles capable of moving far faster than today’s designs.

Research suggests that bilingualism can offer cognitive benefits.

AI labs are toying with an industry-wide pact to slow development. Meanwhile, widely available AI chatbots are already helping uncover a tidal wave of security flaws.

The totally free macOS app Tasks.txt makes up for missing features with sheer elegance.

Samsung’s latest smartwatch offers useful health tracking alongside a growing pile of metrics you may never use.

Chariklo is only about 250 km across, but it has two rings, and they're changing.

Powerful AI models have created an existential risk to the field, but researchers can’t stop relying on them because they’re too useful.

While lawmakers iron out the details, advocates hope this approach could serve as a model for addressing histories of environmental hazards often concentrated in Black and low-income neighborhoods.

For one day only, WIRED is bringing the technologies, people, and cultural forces transforming our world off the page and into real life.

Every VPN says it’s the best, but only some of them are telling the truth.

The SkyNomad—with heated floors, a projector, a pop-up roof, a fridge, swiveling seats, and over 1,000 miles of range—is a “luxury” ride that undercuts Range Rovers by tens of thousands of dollars.

As dozens of cities end contracts for its controversial license plate readers, Flock is rolling out a voluntary severance program, WIRED has learned.

But the military's overall use of AI seems to be accelerating.

The Ultra 4 gets smarter about health tracking and lasts longer between charges. But for most people, the Series 12 gets close enough.

Even if big AI companies agree to a pause, ensuring that nobody tries to sneak ahead could prove tricky.

FAA plans for AI tool to help manage DC air traffic before a nationwide rollout.