European Space Agency
NASA narrows design for rocket to launch samples off of Mars
BepiColombo ready for long cruise to Mercury
Ariane 5 launches two satellites on 7-year voyage to Mercury
A powerful European Ariane 5 rocket blasted off from French Guiana late Friday and boosted a pair of satellites into space for a seven-year plunge into the inner solar system, a voyage requiring seven planetary flybys to slow down enough in the sun’s gravitational clutches to slip into orbit around hellish Mercury.