Curiosity marked 5,000 days on Mars with a vivid new postcard showing its tracks across Gale Crater. NASA’s Curiosity Mars rover…

Even planets billions of years older than Earth may host only microbes if photosynthesis supplies too little energy. Science fiction often…

‘Plasticorals,’ pieces of coral rubble fused with plastic, are lasting signs of human activity and may pose a threat to marine…

A nearly 2,000-year-old volcanic disaster is helping scientists refine the clocks used to reconstruct Earth’s history. Nearly 2,000 years after Mount…

As glaciers retreat, steep Arctic fjords may face rising landslide-tsunami risks that could be reduced through better monitoring and faster warnings.…

By targeting the retina’s protective barrier, oral Danegaptide could help treat diabetic eye damage earlier, though its lasting benefits remain to…

Researchers found that potential breast cancer-related chemical exposures may come from far more sources than previously recognized. A new study from…

In a small study, a drug increased calorie burning without clearly switching on brown fat, the heat-producing tissue scientists hope to…