China launches 10 satellites on 2 rockets less than 6 hours apart (video)
X-rays from a nuclear explosion could redirect an asteroid
Hottest US city Phoenix smashes heat streak record
Climate change is a pollution problem, and countries know how to deal with pollution threats – think DDT and acid rain
OceanGate co-founder Guillermo Sohnlein testifies company that built Titan did not plan to build its own subs
Arrowheads reveal new insights into the armies that fought on Europe’s oldest battlefield
Octopuses seen hunting together with fish in rare video — and punching fish that don't cooperate
2 cosmonauts, NASA astronaut return to Earth after marathon mission
