How can you become a space tourist?

Thrill-seekers might soon be able to get their adrenaline kicks—and envy-inducing Instagram snaps—from the final frontier, as space tourism finally lifts off.

Environmental concerns grow as space tourism lifts off

After years of waiting, Richard Branson's journey to space this month on a Virgin Galactic vessel was supposed to be a triumphant homecoming. Instead, the jaunt attracted significant criticism—about its carbon footprint.

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