Was This Once a Vast Martian Coastline? (VIDEO)

Trending News Channel
Videos Highlighting The Latest Search Trends.
July 17 2013 6:06 PM

Was This Once a Vast Martian Coastline? (VIDEO)

Researchers zeroed in on a plain that may very well have harbored the holy grail of Martian exploration: an ocean of liquid water larger than Earth's Lake Superior.

  Slate Plus
Plus Roundups
Jan. 30 2015 11:44 AM What Happened at Slate This Week? Social media guru Lindsey Underwood highlights the most popular stories of the week, from the Patriots to Tom Petty.