From: National Geographic Channel on Thu, Apr 01 2010 4:18 PM

Two teams of scientist journey to Siberia in search of the secret of Tunguska, one of the biggest explosions in recorded history.

From: National Geographic Channel on Wed, Mar 31 2010 4:05 PM

Climate conditions on other planets really do make it look like heaven on Earth.

From: National Geographic Channel on Sat, Mar 27 2010 10:17 AM

On Jupiter, where storm winds blow up to 500 miles per hour, chickens and humans alike would be torn to shreds!

From: National Geographic Channel on Fri, Mar 26 2010 10:07 AM

If a large asteroid explodes in the Earth’s atmosphere, look out for a blast of nuclear proportions.

From: National Geographic Channel on Sat, Mar 20 2010 8:29 AM

The Milky Way is on course for an epic collision with the Andromeda galaxy.

From: National Geographic Channel on Fri, Mar 12 2010 2:33 AM

Will we find complex life on Jupiter’s moon, Europa?

From: National Geographic Channel on Fri, Mar 12 2010 2:32 AM

Aliens might look more like us than we think.

From: National Geographic Channel on Fri, Mar 12 2010 2:32 AM

We are mere decades away from finding solid evidence of life on other planets.

From: National Geographic Channel on Thu, Mar 04 2010 12:43 PM

Imagine traveling 40 miles without using a single drop of gasoline. The Chevy Volt offers innovative green engineering.

From: National Geographic Channel on Thu, Mar 04 2010 12:43 PM

Installing the instrument panel during pre-production of Chevy’s new electic car, the Volt, proves a little tricky!

From: National Geographic Channel on Thu, Mar 04 2010 12:43 PM

How do you move a massive 4,100-ton steamship across land?

From: National Geographic Channel on Thu, Feb 25 2010 6:33 AM

Scientists investigate mysterious balls of light that appear to mess with their instruments.

From: National Geographic Channel on Thu, Feb 25 2010 6:33 AM

Loading luxury yachts aboard the Yacht Express transporter ship is no easy task. One mistake could cost millions.

From: National Geographic Channel on Thu, Feb 25 2010 6:33 AM

You’ve just become the leader of your nation. The nuclear threat looms. Here's your first intelligence briefing.

From: National Geographic Channel on Thu, Feb 25 2010 6:33 AM

In Hessdalen, Norway, a bizarre light display in a remote valley has researchers puzzled.

From: National Geographic Channel on Thu, Feb 25 2010 6:33 AM

An eerie encounter with the 'mystery lights' has witnesses on edge.

From: National Geographic Channel on Tue, Feb 23 2010 6:04 AM

Engineers create a 360 degree model of the Phoenix landscape to estimate the size a UFO as described by an local eye witness.

From: National Geographic Channel on Tue, Feb 23 2010 6:04 AM

Engineers create a 360 degree model of the Phoenix landscape to estimate the size a UFO as described by an local eye witness.

From: National Geographic Channel on Sat, Feb 20 2010 2:49 AM

Without a doubt, an asteroid capable of bringing on global devastation is heading our way. The question is: when?

From: National Geographic Channel on Sat, Feb 20 2010 2:31 AM

On their long, arduous journey toward Emily’s egg, sperm finally get a little bit of rest in her fallopian tubes.