Doomsday: 10 Ways the World Will End

More than 65 Million Years ago, an asteroid impact caused a cascade of catastrophes that led to the downfall of the dinosaurs. What would happen if the same size space rock struck the same spot?

A supermassive black hole is moving toward Earth at almost the speed of light, and civilization is under attack from a catastrophic-but unseen-threat.

There are twice as many rogue planets as stars in the galaxy. So, what might happen if a ringed planet the size of Neptune was on a collision course with Earth?

World War III breaks out and a nuclear nightmare becomes reality as adeadly fallout of ash and debris creates a Nuclear Winter, plunging the planet into a sudden Ice Age.

When Earth gets hit by a deadly Solar Storm-a massive chunk of the Sun-our planet's electrical system turns into a smoking ruin. How does modern civilization cope without power?

A volcanic hyper eruption blows through the surface of the Earth, and a bad day gets worse as volcanic gas blocks out sunlight, food chains collapse, and famine threatens mankind.

The most powerful blast of cosmic radiation in the Universe is just seconds from slamming into Planet Earth. When a gamma ray burst from two colliding stars hits the atmosphere.

Earth's deadly fall takes 65 days, triggering massive hurricanes, sandstorms and--with temperatures reaching over 200 degrees-a heat wave that kills every last person.

When rogue aliens launch a surprise attack on Earth, people are left dying in the streets, world governments are obliterated, cities are destroyed, and a deadly virus is unleashed.

Ocean currents control the climate around the world. When they suddenly stop, it unleashes an endless cascade of weather disasters and a climate catastrophe that threatens to end human civilization.