The fungus Entomophthora muscae turns flies into zombies and kills them at sunset. An internal kill clock may explain the mysterious timing.

Revealed by advanced imaging, the long-sought "Betelbuddy" is much smaller and fainter than Betelgeuse and orbits within the supergiant’s atmosphere.

People living in high pollution areas may rack up DNA glitches that trigger lung cancer, scientists suggest July 2 in Nature. Those glitches can include mutations that hobble the very genes that ...

Experts worry the warning on vaginal estrogen menopause treatments is doing more harm than good and is not supported by science.

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...

In Rehab, journalist Shoshana Walter investigates the systemic pitfalls of drug treatment programs, which prevent people’s recovery from addiction.

A century ago, physicists laid the foundation of quantum mechanics. Today, with greater control of quantum systems, scientists are making major leaps in ...

Some people’s biology may set them up to birth babies of a certain sex, explaining why a family with multiple children may have all girls or all boys.

Blood tests could pave the way for distinguishing between Alzheimer’s, Parkinson’s and some dementias, aiding early treatment for brain diseases.

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

An oceanographer explains how climate change, warming oceans and a souped-up atmosphere are creating conditions for deadly floods.

The cells helps the snakes absorb the bones of their prey — and might show up in other animals that chomp their meals whole.