Lake Powell's water levels fluctuate depending on how much water flows in from snow and rain and how much flows out to meet needs, but it has been dry in all but three of the last 14 years.
Nigeria’s Neglected Drones Can’t Search for Missing Girls
As U.S. planes try to locate more than 200 girls kidnapped by Islamist group Boko Haram, Nigeria's own unmanned aircraft can't join the search”poor maintenance has them grounded.
ESA Satellite Finds Sharp Increase in Antarctic Ice Loss
Three years of observations from the European Space Agency's CryoSat satellite reveal the Antarctic Ice Sheet is losing 159 billion tons of ice annually, twice as much as when last surveyed.
Making Sure CryoSat Data Are Reliable
Enduring the bitter Arctic cold out on the sea ice, scientists are part of an international effort to ensure the European Space Agency's CryoSat satellite delivers a true picture of Earth's changing ice.
Is El Niño Forming? Satellites Say Yes
Data from ocean-observing satellites indicate that El Niño conditions appear to be developing in the equatorial Pacific similar to those of May 1997, a year of the most potent El Niño events of the 20th century.
Drone Aids North Sea Oil and Gas Exploration
Geologists are using an eight-rotor, camera-equipped octocopter drone to identify oil-bearing rocks and record the rock faces in minute detail to help extract more resources from the North Sea.
Swarm Satellites Exceeding Expectations
Launched just five months ago, the European Space Agency's trio of Swarm satellites is delivering results with a precision that took earlier missions 10 years to achieve.
Cold War Spy Satellite Images Reveal Lost Cities
A study of declassified Cold War spy satellite photos has tripled the number of known archaeological sites across the Middle East, revealing thousands of ancient cities, roads, canals and other ruins.
FAA Reports Near Collision of Airliner, Drone
According to the Federal Aviation Administration, the incident took place on March 22, 2014, and involved U.S. Airways Flight 4650 flying from Charlotte, N.C., to Tallahassee, Fla.
Sentinel-1 Satellite Demonstrates Versatility
One of the European Space Agency's Sentinel-1 satellite's first images was crucial in helping Namibian authorities decide how to respond to a serious flood.
