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A 3D modeled map of a T-shaped organ with yellow, purple and green separating out key nerve tracts.
Scientists mapped all the nerves of the clitoris for the first time High-resolution X-ray offers a new look at an understudied organ: the clitoris.
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A bunch of small, red, disc-shaped blobs. The blobs are facing in different directions and have a concave center.
Diabetes rates are lower in high-altitude environments ‪‪—‬ and scientists may have discovered why A new study finds that in low-oxygen environments, red blood cells absorb more glucose and convert it into a molecule that helps release oxygen into tissues, revealing an unexpected way the body regulates blood sugar.
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A 3D illustartion of green and orange cylindrical-shaped bacteria surrounded by webs of blue and white filaments
Scientists have discovered an 'Achilles' heel' in deadly superbugs In a mouse study, scientists found that a bacterial sugar can be exploited to disable dangerous antibiotic-resistant pathogens.

Latest about Health

A picture of the workout selection screen in the Amazfit Active Max smartwatch

Best budget fitness trackers 2026: Cheap but mighty

By Maddy Biddulph, Anna Gora last updated

Buying Guide These are the best budget fitness trackers you can buy in every category, from Fitbit Inspire 3 and Xiaomi Smart Band 10 to Garmin Forerunner 165.

Buying Guide
Our expert reviewer testing the workout features on the Garmin Fenix 8 smartwatch

Best fitness trackers 2026: From smart rings to multisport GPS watches

By Andrew Williams, Anna Gora last updated

Buying Guide These are the best fitness trackers you can buy in every category, from Oura Ring Gen 4 and Garmin Fenix 8 to Whoop MG.

Buying Guide
An illustration of a 3D sphere with red spikes on it getting dissolved into yellow and red particles in a clear fluid with bubbles all around

'Oslo patient' likely cured of HIV after getting stem cell transplant from his brother, who is genetically resistant to the virus

By Nicoletta Lanese published

A man known as the "Oslo patient" joins a short list of people in long-term remission from HIV following bone marrow transplants.

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HIV
A person wearing turquoise scrubs and blue nitrile gloves pours clear water from a square plastic bottle onto a q-tip

Antiseptic-tolerant germs spread through the air in hospitals, early study hints

By Marianne Guenot published

Trace amounts of antiseptic chemicals in hospital rooms may be driving tolerance and resistance in bacteria, a study finds.

Medicine & Drugs
A sepia colored image shows a cloud of sperm swimming to the left, their long tails extended to the right.

Sperm quality is at its peak in the summer, study finds

By Clarissa Brincat published

Seasonal shifts in behavior — not temperature — may subtly influence sperm motility. Whether this variation in sperm quality influences fertility remains to be seen.

Reproductive Health
A close up of a woman with straight black hair wearing a pink and white striped shirt who holds a canister of nasal spray to her right nostril

Scientists are trying to build a vaccine that works against almost any respiratory pathogen  — here's how close they are.

By Isha Ishtiaq published

A nasal spray in mice boosted lung immunity against viruses, bacteria and allergens — but a truly universal vaccine is still years away.

Medicine & Drugs
A woman with straight dark hair wearing a smart watch and tan coat touches the glass on a bakery window, full of sandwiches.

Do the microbes in your gut influence what foods you like?

By Ashley Hamer published

Can the microbes in your gut influence the foods you crave?

Food & Drink

Changing 'just one DNA letter' in female mice triggers growth of male genitalia

By Nicoletta Lanese published

Scientists discovered that making a very small change to female mice's DNA caused them to develop male reproductive organs.

Genetics
A 3D model of a blue folded protein, looking like a series of coils and knots in front of a dark background.

Science history: Doctor hypothesizes that 'transmissible proteins' can cause disease, contradicting a 'central dogma' of molecular biology — April 9, 1982

By Tia Ghose published

Prion diseases, such as "mad cow," are caused by transmissible proteins that were identified in the 1980s.

Health

'No one knows what they are': Researchers discover new type of cell that's seen only during pregnancy

By Nicoletta Lanese published

A new map of the "maternal-fetal interface" reveals a new type of cell, as well as the types of cells most likely to be affected in conditions like preeclampsia.

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Reproductive Health
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