Get the latest Science News and Discoveries

Water on Mars carved deep gullies and left a 'great puzzle' for Red Planet history

None

Get the Android app

Or read this on Space.com

Read more on:

Photo of Mars

Mars

Related news:

Fuzzy Blob in Space Is Actually Earth And The Moon as Seen From Mars

Little Balls Of Rock Could Unlock The Mysteries Of Early Earth And Mars

The unlikely story of the first photo of Mars ever seen on TV

« Scientists Vibrated a Box of Particles And They Formed a Strange New Material

Autonomous Invasion: NASA’s Starling Mission Sending Swarm of Satellites Into Orbit »