New research has uncovered a social world full of cheating, cooperation, and other intrigues, suggesting that viruses make sense only as members of a community.

A vast constellation of celebrities, from Kelly Ripa to the McDonald’s mascot Grimace, have helped push dairy sales.

A trial vaccine has succeeded in generating low levels of antibodies needed to target HIV. It’s a first but much-needed step toward preventing infection.

A store in Singapore is selling lab-grown chicken, but it contains only 3 percent animal cells.

Users receiving weekly injections saw their weight fall, plateau, and stabilize over the course of a four-year trial—but it’s still unclear how long these effects last after stopping taking the drug.

The preliminary results of a clinical trial of using heat exposure to combat depression are in—and are fueling cautious optimism that sauna practice could become an accepted treatment.

Loaded with ever more renewables, the grid will need to store a whole lot of energy. Enter: a new kind of magic school bus—one that can both charge and give power back.

As H5N1 continues its spread among US cow herds, raw milk enthusiasts remain utterly unfazed.

The hospital that carried out the procedure two months prior says there’s “no indication” that the transplant was related to his death.

Platelets help blood clot, but they have a short shelf life. With blood in short supply, synthetic platelets could help meet demand.

The outer layers of the sun’s atmosphere are a blistering million degrees hotter than its surface. NASA sent a probe to find out why—by getting closer to the star than ever before.

Nature can’t run without parasites, and climate change is driving some to extinction. What happens when they start to disappear?

Three bursts of charged particles ejected from the sun have merged into a wave that could lead to brilliant auroras being visible from Moscow to Oklahoma City.

Neuralink experienced a mechanical issue with its first human brain-computer interface implant. Its novel design may make it more prone to failure.

Anyone found guilty of selling or manufacturing cultivated meat in Alabama will face up to a three-month jail sentence and $500 fine.

Green spaces significantly cool our ever-hotter cities. New research suggests more trees could cut heat-related ER visits in LA by up to two-thirds.

Independent presidential candidate Robert F. Kennedy Jr. had both a brain parasite and mercury poisoning at the same time. Just how rare is each condition?

The world of clitoral suction sex toys is getting bigger every day. We’ve tested dozens, and these are our favorites.

Seven years behind schedule, this month Starliner will send two astronauts to space on a mission for NASA. The troubled company still has lots of catching up to do.

It’s not the technology itself. It’s that we don’t yet have enough trained workers to install heat pumps for full-tilt decarbonization.

Synthetic DNA could be used to spark a pandemic. A move by President Biden aims to create new standards for the safety and security of mail-order genetic material.