sending

From Blue Origin and SpaceX, to the new James Webb Space Telescope, to space agencies worldwide, we’ve set our sights on distant worlds. The search is on for an Earth-like exoplanet in a solar system light-years away. Closer to dwelling, we’ll soon be excavating the icy moons of Jupiter for life in watery realms. There’s a international drive to create the Red Planet, Mars, exactly where proposals involve human outposts, tourism, and an intensive search for ancient life. Mars may loom in our collective imaginations as the next globe out, but prospects for humans living there are truly dim. As...