Space tourism: What's on offer

A few minutes of weightlessness, or a few days. A short hop above the Earth's atmosphere, or a journey to the Moon and back... the era of space tourism is upon us, and—for those who can pay—it comes with many options.

Image: Hubble captures a sparkling cluster

This star-studded image from the NASA/ESA Hubble Space Telescope depicts NGC 6717, which lies more than 20,000 light-years from Earth in the constellation Sagittarius. NGC 6717 is a globular cluster, a roughly spherical collection ...

page 1 from 40