Astronaut Samantha Cristoforetti back on Earth

NASA "No Place Like Home" Condividete le foto dei luoghi che amate

Comet First Landing in History (video) with a waltz

New Space craft lands vertically anywhere like a chopter .Spaceship of the future

Google and Time Magazine Celebrate Earth Day with your photos

Video Wonderful. World Trade Center Time Lapse by Associated Press

World Healing Prayers (Native American)