Last week, a slew of scientific papers told the story of comet lander Philae’s bumpy touchdown, comet 67P’s surprisingly fluffy surface, and — most excitingly — the discovery of life’s building blocks there. We haven’t found life. But we may have found part of life’s origin story, buried on this icy rock. Read More >>
The idea of life on Mars never gets old, but while we know it would never involve little green men, we've never really known what we might find. When a Mars training mission recently unearthed a thriving world of microbes below the Atacama desert in Chile, however, we got a much better idea.