Alex Hearle

16 Secret Weapon Sabotage An elite force of Norwegian resistance fighters return to their invaded homeland to carry out a daring mission., Operation Gunnersid, a...

32 Parallel Universes Parallel-universe theories are explored. Included: experiments using particle colliders to determine the existence of new dimensions and universes., Discover how the world's...

39 Another Earth Is there life on other planets? Follow the work of scientists who are looking for alternative Earths as they use new techniques...

25 Extreme Orbits - Clockwork and Creation The only reason life on Earth is possible is because of our stable orbit around the sun. Elsewhere...

38 Our Voyage To The Stars Potential homes for humans in space are investigated., One day, a cosmic disaster will make life on Earth impossible....

36 Extinction Asteroids strike, planets collide, black holes blast out death rays, and volcanoes erupt. These are the universe's weapons of extinction. They've happened before,...

Scientists examine forensic and scientific evidence connected to the Shroud of Turin, which some believe was the burial cloth of Jesus Christ. Q&A :...

58 The Dark Matter Enigma Dark matter is the biggest mystery of the cosmos. Scientists know that it has been vital to the universe since...

23 Exoplanets - Planets From Hell Over the last 20 years, we have discovered an extraordinary zoo of planetary nightmares outside our solar system --...

A look at the history behind memorable mummies throughout the world. Q&A : Q: Who are the main cast members in "Mummies Alive "...