Earth's earliest life forms developed ways to survive the harmful effects of arsenic to cope with dramatic changes in their environment, a new study suggests.
The researchers found the complex life forms, called eukaryotes, stored arsenic inside...
A study of 7000-year-old exposed coral reef fossils reveals how human fishing has transformed Caribbean reef food webs: as sharks declined by 75% and fish preferred by humans became smaller, prey fish species flourished—doubling in numbers...
NASA's Solar Dynamics Observatory photographs the sun with 10 times the resolution of high-definition television.
NASA's orbiting Solar Dynamics Observatory captured yet another solar flare...
