For a 30 hour spell (Feb 7-8, 2012) the Solar Dynamics Observatory captured plasma caught in a magnetic dance across the Sun's surface. The results closely resemble extreme tornadic activity on Earth.

Strong tornado on the north side of Philadelphia, MS... within 100 yards this powerful tornado crosses the road, the chase continues, and our thoughts are with those in Tuscaloosa and Birmingham, Alabama... very sad situation...

Tornado chaser catches sights and sounds of the storm. Massive destruction with over 100 deaths and 2,000 buildings destroyed.

This video is from the EF4 tornado that went through Tuscaloosa, AL on 4/27/11. It was taken from the University Mall parking lot. Probably the closest video to the storm your going to see.

A flurry of solar activity in early March dumped enough heat in Earth's upper atmosphere to power every residence in New York City for two years. The heat has since dissipated, but there's more to come as the solar cycle intensifies.

The Bigelow Expandable Activity Module (BEAM) will be transported to the International Space Station on a SpaceX Dragon spacecraft.

Benefits of space surround us. Exploration fuels innovation. Groundbreaking technologies we develop to explore space keep us close and safe right here at home.

An idea born in unsettled times becomes a feat of engineering excellence. The most complex machine ever built to bring humans to and from space and eventuall...

The formation of a recent tornado in New England. This is the latest footage coming from Springfield, Mass.

Have you ever wondered why some telescopes are launched into space while others are built on remote mountain tops? What is actually the best for astronomy? Here we provide a ringside view of the fight for the elusive photons from deep space - is it a battle of the telescope giants?