A series of live maps from Windy.com highlighted which parts of the U.S. were experiencing elevated levels of air pollution on Friday. The maps showed data for multiple types of pollutant, including ...

From asteroids the size of football stadiums to nuclear war and man-made pandemics, it can seem as if humankind is in ...

Summer offers some of the most colorful and exquisite sunsets there are to see, but what if you want a sunset view that's ...