There has been a long-standing debate on how pollution affects climate warming. Climatologists have always thought that pollution, through a process called convection caused bigger thunderclouds. Instead, they have learned it's just the opposite.
Zach Sobiech was diagnosed with a terminal form of cancer at the age of 14. He made a conscious choice to become the very best person he could be, and he succeeded before he passed away at 18. His music videos have gone viral on the Internet.
Winter in the southern part of the United States can be unpredictable, with unseasonably warm weather one day, followed by a cold front and heavy storms the next. That is particularly true in many parts of Tennessee.
The outer atmosphere is changing and scientists have yet to find out why this is. The highest clouds hide a mystery that is as eery as the evidence is enthralling. First ever pictures of the clouds shot by Nasa reveal bizarre phenomena.
For the first time this year, NASA has captured the mysterious shiny polar clouds that tend to form 50 miles above Earth's surface. The first time these were noticed was on May 25th and many scientists do not have a clue why or how they form.