
10+
2010
Science & Nature
Space Exploration
Extinction
Season 3, Episode 6
: We're researching the universe's weapons of mass extinction to learn how likely we are to be the next species to go.

About the Series
How the Universe Works
How was it built and how does it actually work? With a cast of experts and eye-popping CGI, we're looking under the celestial hood to tell the greatest story of all -- the story of where we and everything else came from.

1. Journey from the Center of the Sun
We're following the path heat and light takes from the center of our sun to us.
2. End of the Universe
Scientists discuss the ultimate cosmic question, how and when the universe will end.
3. Jupiter
Jupiter's swirling clouds conceal the answers to some of our solar system's deep...
4. First Second
We're finding out how the Big Bang set our universe in motion and is defining ou...
5. Saturn
Saturn's secrets are out and we're joining researches to learn all the exciting ...
6. Extinction
We're researching the universe's deadly threats to learn if we are to be the nex...
7. Milky Way
A super-massive black hole at the center of our galaxy may be the unsung hero of...
8. Starman
Scientists are developing new propulsion systems that might help us find a new h...
9. The Search for a Second Earth
Astronomers use spectroscopy, direct imaging and telescopes to look for signs of...