This video was actually 'recorded live' so to speak, under the silver arch! The silence you hear, is the silence of the dark night in a clearing way up high in the Sierra Nevada Mountain range. Quite a profound and moving experience.

Africa Rural Connect is an online collaboration space to bring together people who have lived or worked in Africa to discuss innovative solutions to improve the lives of African farmers.

NASA&s Twin GRAIL spacecraft lift off at 9:08 a.m. EDT on Saturday, September 10, 2011,from Cape Canaveral Florida, on a mission to explore the moon in unprecedented detail.

Observations of the orbits of six small objects have led researchers to propose a very large 9th planet--100s of astronomical units (AU) away from the sun. Far enough away that this Neptune-sized planet takes ~15,000 years to complete one orbit.

These beautiful, at times abstract, images are the work of Google Earth View, a collection of the most striking landscape photographs taken by Google Earth satellites with a little color enhancement. For More Information visit: www.COFL.CO

The 9/11 museum aims to pay tribute to those who lost their lives that day. Local Projects founder Jake Barton gives us a personal tour of the space built to remember, to educate and, most importantly, to create community.

SpaceX's Inspiration4, the first all-civilian spaceflight in history splashes down in the Atlantic Ocean after completing a three-day orbital flight around the Earth.

Atlas V roars off the launch pad sending NASA's next Mars rover toward the Red Planet. The launch date was November 26, 2011 and the landing in Mars is scheduled for August 6, 2012.

NASA Launch Commentator George Diller opens coverage of the Grail mission right before launch on September 10, 2011.

According to ancient astronaut theorists, Ramanujan, the mathematician who lived almost a hundred years ago and whose breakthroughs helped form the basis of superstring theory and multidimensional physics, claimed to have been influenced by otherworldly beings in this clip from Season 11, Episode 5,...