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Hawking: We Need to Leave Earth
Renowned scientist Stephen Hawking says we have 1,000 years left on Earth before all the planet's resources will be used up. Laci looks at the problems we'll face as well as Hawking's solution to saving humanity.
The Hunt for a Second Earth
NASA's Kepler telescope was launched to find other planets just like Earth -- and now, scientists think they may have found not just one, but three! Trace shows us where they are in the solar system and why the discovery is so important.
SETI Fail: No Alien Life Found
No ETs for SETI. Yet. But was their search doomed from the very beginning? Trace and Anthony join up and take a look at where they may have gone wrong.
Peace Out, Voyager 1
NASA has had an epic week so far with both the Curiosity and the Voyager. Anthony Carboni asks: which spacecraft is more likely to find life in space?
Want to Colonize Mars? You Can!
A company called MarsOne wants to launch the first human settlement on Mars in 2023. They are currently accepting applications, but as Trace reveals, there's a huge catch.
3 Questions: Exoplanets
What does it take to find a planet 63 light years from Earth? Devin Powell gets the answers from an astronomer who's done just that.
Battle Los Angeles: Could Aliens Attack?
In the new movie Battle: Los Angeles, mankind fights off an alien invasion. But could a race of intergalactic beings really attack us? Jorge Ribas gets some answers.
Martian Spacecraft Braces for Seven Minutes of Terror
After a nine-month voyage to Mars, the Phoenix Lander is supposed to touch down this weekend. Kasey-Dee Gardner speaks with scientists who explain one of the most nerve-wracking parts of the mission.
Alien Speculation
Will the real ET be little green men or little green bacteria? SETI Institute Senior Astronomer Seth Shostak theorizes what our first alien encounter might be like.
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