Tornadoes are one of the most violent type of storms, with 800 each year in the U.S. Learn more about tornadoes in this video from Discovery.
After spending a week in Alaska, Discovery News' Kasey-Dee Gardner wanted to find out why the state is so abundant in that resource.
Lightning will strike anything that stands high above the ground. Trees are a favorite target. Watch a lightening video at HowStuffWorks.
Volcanic mountains form when magma or lava solidifies into solid rock. This type of mountain commonly forms on divergent boundaries and on some convergent boundaries.
The largest glacier lies in the Karakoram Mountains in Pakistan.
What are the odds there will be an earthquake in the next 100 years? Learn more about the probability of earthquakes in this video.
After the winds of Hurricane Katrina died down, the Gulf Coast was left with a toxic mess. Learn more about cleaning up our environment in this video.
Watch this video courtesy of Duke University explaining the connection between gamma rays and lightning. Lightning emits gamma rays that be detected thousands of miles away. Gamma rays in lightning are caused by a process called "runaway breakdown".