The Universe

1 Secrets of the Sun 2007-05-29 2 Mars: The Red Planet 2007-06-05 3 The End of the Earth: Deep Space Threats to our Planet 2007-06-12 4 Jupiter: The Giant Planet 2007-06-19 5 The Moon 2007-06-26 6 Spaceship Earth 2007-07-10 7 The Inner Planets: Mercury & Venus 2007-07-17 8 Saturn: Lord of the Rings 2007-07-24 9 Alien Galaxies 2007-07-31 10 Life and Death of a Star 2007-08-07 11 The Outer Planets 2007-08-14 12 The Most Dangerous Place in the Universe 2007-08-21 13 Search for ET 2007-08-28 14 Beyond the Big Bang 2007-09-04

1 Alien Planets 2007-11-27 2 Cosmic Holes 2007-12-04 3 Mysteries of the Moon 2007-12-11 4 The Milky Way 2007-12-18 5 Alien Moons 2008-01-08 6 Dark Matter 2008-01-15 7 Astrobiology 2008-01-29 8 Space Travel 2008-02-05 9 Supernovas 2008-02-12 10 Constellations 2008-02-19 11 Unexplained Mysteries 2008-02-26 12 Cosmic Collisions 2008-03-04 13 Colonizing Space 2008-03-11 14 Nebulas 2008-04-01 15 Wildest Weather in the Cosmos 2008-04-08 16 Biggest Things in Space 2008-04-15 17 Gravity 2008-04-22 18 Cosmic Apocalypse 2008-04-29

1 Deep Space Disasters 2008-11-11 2 Parallel Universes 2008-11-18 3 Light Speed 2008-11-25 4 Sex in Space 2008-12-02 5 Alien Faces 2008-12-09 6 Deadly Comets and Meteors 2008-12-16 7 Living in Space 2008-12-23 8 Stopping Armageddon 2009-01-06 9 Another Earth 2009-01-13 10 Strangest Things 2009-01-27 11 Edge of Space 2009-02-03 12 Cosmic Phenomena 2009-02-03

1 Death Stars 2009-08-18 2 The Day the Moon Was Gone 2009-08-25 3 It Fell From Space 2009-09-01 4 Biggest Blasts 2009-09-08 5 The Hunt for Ringed Planets 2009-09-15 6 10 Ways to Destroy the Earth 2009-09-22 7 The Search for Cosmic Clusters 2009-09-29 8 Space Wars 2009-10-06 9 Liquid Universe 2009-10-20 10 Pulsars & Quasars 2009-10-27 11 Science Fiction, Science Fact 2009-11-03 12 Extreme Energy 2009-11-10

1 7 Wonders of the Solar System 2010-07-29 2 Mars: The New Evidence 2010-08-05 3 Magnetic Storm 2010-08-12 4 Time Travel 2010-08-19 5 Secrets of the Space Probes 2010-08-26 6 Asteroid Attack 2010-09-02 7 Total Eclipse 2010-09-16 8 Dark Future of the Sun 2010-09-23

1 Catastrophes that Changed the Planets 2011-10-25 2 Nemesis: The Sun's Evil Twin 2011-11-01 3 How the Solar System was Made 2011-11-08 4 Crash Landing on Mars 2011-11-22 5 Worst Days on Planet Earth 2011-11-29 6 UFO: The Real Deal 2011-12-13 7 God and the Universe 2011-12-20

1 How Big, How Far, How Fast 2012-04-29 2 Alien Sounds 2012-05-06 3 Our Place in the Milky Way 2012-05-13 4 Deep Freeze 2012-05-20 5 Microscopic Universe 2012-06-03 6 Ride the Comet 2012-06-10 7 When Space Changed History 2012-06-17

1 Stonehenge 2014-03-01 2 Pyramids 2014-03-08 3 Heavenly Destruction 2014-03-15 4 Star of Bethlehem 2014-03-22

1 Omens of Doom 2015-04-18 2 The Eye of God 2015-04-25 3 Apocalyptic Visions 2015-05-02 4 Alien Worlds 2015-05-09 5 Predicting the Future 6 Roman Engineering 2015-05-23