A satellite image of the United States on Monday morning
A satellite image of the United States on Monday morning
Over the course of a three-month period in the summer of 1993, a slow-moving and historic flooding disaster.
New York City is seeing positive signs of haze clearing up as the Northeast is still dealing with bad quality of air.
A map of the Pacific Ocean showing sea surface temperature anomalies where the temperatures are high in the Pacific.
Memorial Day weekend marks the unofficial start of summer, and the nights leading up to the holiday weekend will offer stargazers.
Storm clouds hang over the downtown Chicago skyline Monday, June 30, 2014, as rain and high winds move into Illinois from Iowa.
The event of the decade will unfold over North America as the sun, moon, and Earth aligns to create a spectacular solar eclipse.
Recently, Venus has become a brilliant planet in the western sky, outshining all other stars and planets.
In spring, there is a rise in the frequency of severe thunderstorms, and tornadoes are predicted in the United States.