January 13, 2015 40 years of photos show our changing planet The surface of the Earth is always changing -- and the Landsat series of Earth-observing satellites has been watching the planet change since 1972. These satellite images show some of the remarkable transformation over the past 40 years. See more at the EarthShots site.
November 20, 2014 Rare 'fire devil' caught on film Nature's not much for subtlety. Just ask Chris Tangey, who watched in awe as a 100-foot-high whirlwind of fire tore around a patch of Australian outback Tuesday Sept. 11.