A 1969 illustration entitled A Blue Globe Hanging in the Sky ¿ Earth as seen from the moon by Charles Bittinger will be up for auction at Christie's sale of 'The National Geographic Collection: The Art of Exploration '
A primitive ocean on Mars held more water than Earth’s Arctic Ocean, and covered a greater portion of the planet’s surface than the Atlantic Ocean does on Earth, according to new results published today. http://www.eso.org/public/news/eso1509/
Getting up close: New episodes of Sir Attenborough Planet Earth show
Trees help to slow climate change. They also improve air quality in urban areas. Don't cut down trees for a new home or for yet more agricultural land to feed yet more animals for meat, or for palm oil plantations. Your daily choices (what you buy) affect what happens to trees.
15 Things You Don't Know About Outer Space [Infographic]
'The approach to Aoraki Mount Cook, New Zealand's highest mountain and part of the Southern Alps range, is one of the most spectacular drives in New Zealand - and that's saying a lot'. Read more in 'A Return to Middle Earth', Lonely Planet Traveller, January 2013 Photo by Matt Munro http://www.lonelyplanet.com/magazine
There are many reasons to visit New Zealand including adventure travel, hiking, water sports and culture, but capturing the beauty of its diverse scenery is what will make your holiday here most memorable | The Planet D: Adventure Travel Blog