The FDA will allow bemotrizinol in sunscreen. The chemical is long-lasting and defends against solar radiation that ages skin.

Researchers used machine learning to help predict chemical signatures for over 1 billion possible fentanyls, including variants never seen before.

Solve the crossword from our July 2026 issue, in which we raise our solving skills to the next level.

A mathematical model shows that attempting to sever a fundamental particle of light could conjure new ones out of thin air.

Chewing gum made from mastic resin is a Greek staple that has some benefits for the mouth and gut. But it won’t change your face shape.

Adult finches make "heat calls" as the temperature rises. Exposure to the song prepares their unhatched young's brains for the heat.

Vaccination remains the priority, but some researchers are looking for drugs to fight the virus in people who don't get the shot.

First dreamed up decades ago, the world's first nuclear clocks are set to improve quickly, becoming more precise and aiding the hunt for dark matter.

Using smartphone-based tools, researchers find that older adults’ recollections of past events may remain more intact than previously thought.

A guideline treats heart disease, kidney disease, diabetes and obesity as connected conditions under one umbrella: CKM syndrome.

Well-known microbes that grow on our crops, our gardens, even our skin have been found thriving at two to three times the flying height of a commercial jetliner.

Over time, immune cells acquire mutations that promote atherosclerosis. Lifestyle changes may offset these DNA glitches, new mouse data suggest.

In a first, researchers genetically modified hookworms. It’s a step toward turning the parasites into living pharmacies.

DNA preserved in ancient scat reveals what Yukon ground squirrels ate and what animals shared their world.

During courtship, male scissor-tailed nightjars crack their wings together to make a sharp snapping sound. It's the result of colliding arm bones.

A new analysis of a 120-million-year-old fossil suggests at least one pterosaur species shimmered in iridescent greens and magentas.

In a clinical trial, an experimental antibody reduced lean-mass loss in people on a GLP-1 drug. Whether that improves health is unclear.

The result is correct but challenges core norms of mathematics: checking proofs, crediting ideas and keeping research open to everyone.

Over more than a decade at Mars, the orbiter revealed how the solar wind strips away the planet’s atmosphere — and why the world lost its water.

A shrimp vaccine for commercial use could protect the environment and prove vaccines aren’t just for vertebrates.