In two studies of mice, a molecule called leukotriene helped trigger food-induced anaphylaxis. A drug approved for asthma — zileuton — diminished it.

Alpha Centauri A, four light-years from Earth, may host a gas giant. If confirmed, no Earthlike planets orbit in the star’s habitable zone.

Researchers reconstructed a roughly 2,000-year-old woman’s tattoos, from prowling tigers to a fantastical griffinlike creature.

Excavated implements suggest a Homo species arrived on Sulawesi over 1 million years ago, before a nearby island hosted hobbit ancestors.

Golden apple snails can regrow full, functional eyes. Studying their genes may reveal how to repair human eye injuries.

Government agencies are rapidly adopting AI, but experts warn the push may outpace privacy safeguards and leave data vulnerable to leaks and attacks.

One exercise outperformed walking, resistance training and aerobic exercise in the treatment of sleep disorders such as insomnia.

Defense lawyers have called shaken baby syndrome, or abusive head trauma, junk science. But doctors say shaking a baby is dangerous.

The unique architecture of some ball-like plants high in trees in Fiji lets violent ants live peacefully and feed the plant with valuable droppings.

The superclouds probably produce star-forming clouds of gas, since most nearby stellar nurseries are located within the giants.

These star-shredding black holes sit within dusty galaxies that block many telescopes’ views. That’s not an issue for JWST.

Extremely aged organs came with higher odds of disease for that organ, the team found. For example, an extremely aged heart predicted a higher risk of atrial fibrillation and heart failure, and ...