Terraforming Mars might be impossible…for now
From giant mirrors to tiny microbes, here's the thinking behind making Mars habitable for humans
Alien-life hunters are eyeing icy ocean moons Europa & Enceladus
The late 2030s are a realistic launch target for an alien-ocean explorer, should NASA choose to develop one
“By any means necessary”: Vice President Pence urges NASA on Moon-Mars goal
NASA should collaborate extensively with the private sector, Pence stressed