Astronomy Segments
- Phoenix Mars Lander
NASA's latest robot has already found frozen water and is looking for more signs that the Red Planet could support life.
Aired: July 30, 2008 (11:33)
- The Search for ET
Astronomers have their radio telescopes tuned to receive signals from alien worlds. But is anybody out there?
Aired: July 23, 2008 (11:18)
- Space Storms
Behind the dazzling display of the aurora borealis are space storms that could turn the lights off here on Earth.
Aired: July 16, 2008 (9:51)
- Saving Hubble
Two teams of spacewalkers take on the risky mission of reviving the ailing Space Telescope.
Aired: July 9, 2008 (13:00)
- Dark Matter
Turns out most of the universe is held together by a mysterious, invisible substance.
Aired: June 25, 2008 (13:50)
- CERN
Beneath the Alps, the mother of all particle accelerators nears completion.
Aired: July 10, 2007 (12:25)
- Space Elevator
Can we build a 22,000-mile-high cable to transport cargo and people into space?
Aired: January 9, 2007 (11:43)
- Mass Extinction
What caused the mother of all extinctions 250 million years ago?
Aired: November 21, 2006 (13:16)
- Asteroid
Will a doomsday rock the size of the Rose Bowl hit Earth in 2036?
Aired: October 3, 2006 (12:00)
