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
‘Short corn’ could replace the towering cornfields steamrolled by a changing climate
Tugboat powered by ammonia sails for the first time, showing how to cut emissions from shipping
SpaceX's Crew-9 astronaut flight for NASA launches this week. Here's how it turned into a rescue mission
How Canada is preserving what remains of its iconic supersonic Avro Arrow jet
Watch NASA astronaut, 2 record-breaking cosmonauts head home to Earth on Sept. 23
