A classified satellite for the U.S. National Reconnaissance Office has launched into orbit aboard a United Launch Alliance Delta 4 Heavy rocket.
A White House official said the move by Russia would threaten activities in space “for years to come.”
Astronauts aboard the International Space Station took shelter in their docked capsules after what U.S. officials called "a debris-generating event."
A photo that president tweeted to 64 million followers could help U.S. adversaries determine details of U.S. surveillance capabilities, experts warned.