A test rocket aimed at building the ability to launch satellites from Europe crashed about 40 seconds after takeoff from a Norwegian spaceport on Sunday. The unmanned Spectrum rocket, an orbital rocket developed by German start-up Isar Aerospace, started smoking from its sides and then crashed back to Earth with a powerful explosion after launching from Norway's Andoya Spaceport in the Arctic. The company called the test flight a success. "Our first test flight met all our expectations, achieving a great success," Daniel Metzler, Isar's chief executive and co-founder, said in a news release. "We had a clean liftoff, 30...