Heavy rain hit the Phoenix metro area Tuesday morning, adding additional precipitation to already-soaked parts of the city.
Troubling rise in Oklahoma earthquake events
Oklahoma is notorious for tornadic activity, but NOW earthquakes dot the map.
Spooky cities: Five weird abandoned towns
Once they were thriving. Now they're totally empty.
Global warming linked to extreme weather
Hearing about 'summer polar vortex'? A new study points to global warming.