How 650 Years of Drought Killed an Ancient City in Mexico

February 2, 2015       TOP STORY How 650 Years of Drought Killed an Ancient Mexican City A once-thriving Mesoamerican metropolis dried up about 1,000 years ago when below-average rainfall triggered centuries-long droughts     Keep Reading             Drone Maker: 'We Are Working on More Safeguards' Paul Pan of DJI, biggest maker of consumer and small commercial drones in the world, says software prevents drones taking-off in no-fly zones.     Keep Reading       NASA's Moisture-Monitoring Satellite Goes Into Orbit A Delta 2 rocket has sent a NASA satellite into space to improve drought monitoring and flooding forecasts.     Keep Reading           Hackers Pose as 'Attractive' Women in Syrian Sting Hackers stole Syrian opposition fighters' strategic battle plans by using "attractive" female Skype avatars to target victims, according to a new report.     Keep Reading       Month in Space: Catch a Comet and a Cosmic Dawn Experience an orbital sunrise, a stellar blast, a New Year's comet and other outer-space highlights from January 2015.     Keep Reading         iPhone on the Sidelines? In NFL, That's Not Allowed   Read   GPS-Equipped Bike Light Tracks Rides - and Thieves   Read   Uber on Privacy: 'We Haven't Always Gotten It Right'   Read       More Stories     Man Who 3-D Printed Castle Now Wants to Print Village > Robot Learns Moves by Watching YouTube Videos > Online Dating Site Pays Hacker to Not Reveal Data > Feds' Failure? How the NWS Cost the East Coast Millions > Facebook Launches 'Place Tips' Local Recommendations >