How climate change is threatening satellites in orbit

In low Earth orbit, carbon dioxide emissions are changing atmospheric density in such a way as to reduce the natural mechanics of decluttering space debris. More debris equals more danger.

Mohammed Mansour

This Is Your Brain on Terrorism

InSeptember 2014, when ISIS was at the height of its power, Director ofU.S.National IntelligenceJames Clapperacknowledged thatthe United Stateshad underestimated the terrorist group’s will to fight. …

Scott Atran