SpaceX Test Fires a Rocket That Could Send Humans to Mars

SpaceX Test Fires a Rocket That Could Send Humans to Mars

By Raya el Hajjar, age 12 SpaceX is a private rocket and spacecraft company. Its goal is to get humans to Mars, the moon and beyond using reusable rockets. Right now SpaceX is working on its new engine, the Raptor, which was test-fired in Texas in early February. The...