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Scientists found memory's molecular machinery at work in cells outside the nervous system.

Cave-ins and floods may have buried the Cretaceous creatures of the fossil Jehol Biota rather than volcanic eruptions, a new study claims.

Trump's first term, campaign pledges and nominees point to how efforts to address climate change and environmental issues may fare.

Infectious diseases are often labeled "urban" or "rural." Applying political labels to public health misses who is at risk, experts argue.

"Old" pacemakers may still work for years, so doctors are refurbishing used devices and donating them to patients in low- and middle-income countries.

Earthen channels directed fish into ponds that formed seasonally, providing a dietary bounty for Maya civilizations starting around 4,000 years ago.

Hundreds of defunct satellites plunge toward Earth every year. Scientists are studying how the chemical stew left in their wake impacts the atmosphere.

Chlorine-based water treatments create many by-products, but one has been elusive. Its identification sets the stage for studying its health effects.

A multiyear study of dozens of wild, adult chimps suggests that play helps reduce tension and boost cooperation among individuals.

The first-ever close-up of an extragalactic star looks different than expected and might give a view of what stars look like at the end of their lives.