NASA’s Curiosity Mars Rover has found liquid water on the red planet for the first time despite scientists previously believing that conditions on Mars were too cold and arid for liquid water to exist.
PBS' NOVA to Premiere Documentary on 'Rise of the Drones'
Free Online Science Labs from PBS NOVA Labs makes it possible to explore and engage in scientific research right from your computer. Challenges and activities are presented along with lessons, videos and teacher guides. Find details on their site.