Archaeologists Use Declassified Spy Satellites to Uncover a 1,400-Year-Old Battlefield in Iraq
Researchers used declassified spy satellite images to pinpoint the historic Battle of al-Qadisiyyah
Researchers used declassified spy satellite images to pinpoint the historic Battle of al-Qadisiyyah
A relatively small shift from grazing land to forest could make a huge difference in our climate fight.
GPS equipment can track very subtle ground movements.