The four European astronauts that travelled to the International Space Station (ISS) for two weeks, commissioned by Axiom Space, have arrived back on earth. The astronauts landed with a Crew Dragon capsule off the coast of the US state of Florida on Friday, according to Axiom Space, a privately funded US company based in Houston. The capsule undocked from the ISS on Wednesday, and in total, the mission took almost three weeks, making it the longest commercial spaceflight so far. Michael López-Alegría, a NASA astronaut who was born in Spain, Walter Villadei, an Italian, Marcus Wandt, a Swede, a…