Will they really quit?
The Southwestern United States is experiencing the worst drought in the region's history, a new NOAA report finds.
Cave explorers from Oman have become the first people to fully explore the infamous 'Well of Hell' sinkhole in Yemen.
The winning photographs for the 13th annual Astronomy Photographer of the Year awards have been announced, and the sun is the star of the show.
One of the Southern Resident orcas, a 47-year-old female known as L47, hasn't been seen by census takers since February.
Researchers are set to break the world record for the most precise value of pi, after using an advanced computer to calculate the famous constant to 62.8 trillion decimal places.
The water flowing from a medieval fountain in the Italian village of Fontecchio bubbles with extraterrestrial effervescence.