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

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

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

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 facing the greatest burden.

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

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

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

A 2022 NASA mission changed the orbit of the asteroid Dimorphos around its companion. New data shows their joint orbit around ...

A look inside the brains of extraordinarily sharp elderly people reveals clues about their unusual abilities. Deep in these ...

Alaska’s glacial lakes are growing as glaciers retreat out of basins. These lakes will change desolate glacial rivers into ...