Morning Overview on MSN

NASA says Mars may have hosted life multiple times, not just once

Mars is no longer just a story about a single lost ocean or one fleeting window for biology. Taken together, recent rover ...
The New Yorker

The Long History of Life on Mars

For this week’s Fault Lines column, Jon Allsop is filling in for Jay Caspian Kang. In 1877, Giovanni Schiaparelli, an Italian astronomer (and uncle of the fashion icon Elsa), started making a map of ...