It was tweeted in January by the commander of the International Space Station, Canadian astronaut Chris Hadfield. He's been making it his job to not only lead Expedition 35 of the ISS but also amass a dazzling collection of images of the Earth from space.
Originally published on Tue March 12, 2013 5:50 pm
The group of scientists working with NASA's Curiosity rover made a big announcement during a press conference today: "We have found a habitable environment that is so benign" if there was water there, "you be able to drink it," John P. Grotzinger, professor of geology at Caltech, said summing up the rover's latest findings.
That is, at one point Mars had the right conditions to support living microbes.