Platypuses are the first mammals known to have hollow melanosomes, pigment-bearing structures found in the hair of many ...

Satellite data show that U.S. cities have more nighttime cloud cover than nearby countryside, and building height and density ...

Each year, thousands of people in the U.S. die waiting for donated organs. A new book shares how organs from other species ...

A colony of African vervets in Dania Beach raises big questions about how humans can and should manage nonnative species.

When combined with clinical markers, smartwatch data was able to help detect insulin resistance with nearly 90 percent ...

Heat and humidity now severely limit light physical activity for millions of people around the world, with older adults ...

Superluminous supernovas are the brightest stellar explosions in the universe. Astronomers may have found a mechanism that ...

An experiment mimicking conditions on the Saturn moon suggests that cell-like bubbles don’t form in methane lakes, puncturing ...

Levels of six RNA molecules in the blood ID’d older adults likely to survive two more years. Whether it will work for other ...

Submerged bees breathe and use strategies that don’t require oxygen, lab tests show. In nature, that trick could help the ...

AI-generated meal plans for fictional teens cut an entire meal’s worth of calories and carbs while overemphasizing protein ...

A genetic mutation tied to keeping the brain healthy at high altitudes may point to a way to repair nerve damage, experiments in mice show.