Researchers use satellite data to aid tiger conservation efforts. Tigers are losing their habitat, but there are still many areas they could expand into.
Learn more about beautiful von Kármán vortices, a swirling pattern of clouds seen in satellite images. They occur when flowing fluid is disturbed by an object.
One might think of vultures as animals that make you cringe, but, really, they win the gold medal for cleaning the environment and protecting us from disease.
Severe storms with tornadoes caused destruction in the central US on Friday. More severe storms are forecast for the middle of the country for Saturday.