We might be vacationing beyond Earth by 2050.
How does space change what we know about human emotions and our relationship with the planet?
Is humanity ready to establish a sustained presence on the Moon?
Will humans venture out into the cosmos, or is that destiny reserved for our AI descendants?
Two space missions may tell us if Jupiter's moons harbor extraterrestrial life.
It's bad enough what Musk does on Earth. I don't want him controlling my oxygen supply.