Astronauts, capsule for SpaceX's Crew-9 mission arrive at Florida launch site (photos)
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
Thousands of bones and hundreds of weapons reveal grisly insights into a 3,250-year-old battle
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
‘Short corn’ could replace the towering cornfields steamrolled by a changing climate
A Soyuz capsule with 2 Russians and 1 American from the International Space Station returns to Earth
