Supercells are the king of thunderstorms. They can tower 10 or more miles tall, spin like a top and produce the most extreme weather on the planet. They drop hail the size of melons, can spawn ...

Footage shows a rotating wall cloud above homes in Omaha, Nebraska, amid tornadoes in the region. The twister was part of an ...

A newly released image from the Hubble Space Telescope shows the charming Sombrero Galaxy, named for its resemblance to the ...