An intimate tour of Earth's most impressive landscapes as captured by astronauts with their digital cameras. Dr. Justin Wilkinson from NASA's astronaut team describes the special places that spacemen focus on whenever they get a moment.
Colin Rich tries for the second time his home made high altitude weather balloon photography project, Pacific Star. The balloon was launched at 5:37pm (PST) from Oxnard, CA and reached an altitude of 125,000 feet snapping photos and recording video along the way.
In troubled economic times, it’s often hard to convince the government to fund space science. But there’s one field of research that the public should be happy to support: keeping the Earth from being pummeled by asteroids. And there is no shortage of ideas for how to do this.
Speaking as both an astronomer and "a concerned member of the human race," Sir Martin Rees examines our planet and its future from a cosmic perspective. He urges action to prevent dark consequences from our scientific and technological development.