Visions of the universe's most violent events

A look at some of the universe's cosmic wonders: supernovae, gamma-ray bursts, collisions between galaxies, and more.

Astronomers are using the world's largest supercomputers to transform theories and formulas into animated 3D simulations of black holes colliding, stars being born, and gamma-ray bursts blowing everything else away.

Check out the story and image gallery at "Cutting edge visions of cosmic extremes"

Featured Video

Why do so many of us still buy cars with off-road abilities?

Cities are full of cars like the Subaru XV that can drive off-road but will never see any challenging terrain. What drives us to buy cars with these abilities when we don't really need them most of the time?

by Drew Stearne