One photographer put the age of starlight into perspective with stunning projections on some of Earth's oldest rock ...

By exploring Yellowstone's geothermal springs, scientists discovered the microbes that reveal how life adapted to harsh conditions billions of years ago.

Water, one of the essential ingredients for life on Earth, did not appear on the planet until after the moon-forming event, a new study claims ...

Research analyzing molybdenum isotopes in meteorites and Earth rocks shows our planet received its water later than ...