WASHINGTON, United States (AFP) — SpaceX on Tuesday was poised to attempt a test flight of Starship SN9 — an experimental giant rocket the company hopes will one day go to Mars — after the last prototype crashed in a fiery explosion in December. The stainless steel rocket has been cleared for lift-off from Boca Chica, Texas by the US Federal Aviation Administration (FAA), which delayed granting authorization after determining that SpaceX’s last launch violated the […]