After four years of delays, Europe’s new Ariane 6 rocket is set to blast off for the first time on Tuesday, carrying with it the continent’s hopes of regaining independent access to space. After four years of delays, Europe’s new Ariane 6 rocket is set to blast off for the first time on Tuesday, carrying with it the continent’s hopes of regaining independent access to space. Space Exploration Phys.org – latest science and technology news stories