Q&A with Michel Denis, ExoMars flight director

The Hubble Space Telescope turned toward Jupiter last month, capturing colorful views of the giant planet and its icy moon Europa more than 400 million miles from Earth.

The United Arab Emirates became the fifth nation or space agency to put a spacecraft into orbit around Mars on Tuesday with the arrival of Hope, a probe built in partnership with U.S. scientists to obtain a unique global perspective on the Red Planet’s weather and climate.

European engineers test-fired the world’s most powerful present-day single-segment solid rocket booster Monday in French Guiana, clearing a major development hurdle for the Vega-C and Ariane 6 launchers set for debuts in 2019 and 2020.