Other news topics
	Resource Topics
	Earth, Moon, and the Sun  The Solar System  Space Probes and Human Exploration  Stars and Nebulae  Astronomers and Observatories  Galaxies and Cosmology  Stargazing and Star Lore
	Resources
	FAQs about The Solar System Solar System Guide
	Astronomy Gift Shop
	2009 Sky Almanac McDonald Observatory logo cap

Young Martian Craters Excavate Frozen Water

Ironing Out the History of Mars' Atmosphere

Long-Term Climate Changes Freeze Martian Water
(September/October 2009)

Mars Rover Digs In
(July/August 2009)

Wet Martian Volcano?
(May/June 2009)

Mars Burps
(March/April 2009)
Phoenix Finds Water, Trouble on Mars
Pluto-Sized Body Collided with Mars in Distant Past
(September/October 2008)
Probing Mars for Signs of Water, Signs of Life
(May/June 2008) 
Stormy Skies Strand Mars Rover
(September/October 2007) 
Mars Lander Ready for Trip to Tundra
(July/August 2007) 
Miles of Water Ice Coat Mars’ South Polar Region
(May/June 2007) 
Reconnaissance Orbiter Steps Closer to Mars
(May/June 2006) 
Mars Rovers Set to Crawl Into Next Year
(November/December 2004) 
Mars Rovers Keep on Ticking
(September/October 2004) 
Rovers, Orbiter Dig in to (Wet?) Martian History
(March/April 2004) 
Electric Devils Could Harass Mars Explorers
(July/August 2004) 
Second Mars Rover Lifts Off
(September/October 2003) 
Martian 'Armada' Prepares to Set Sail
(May/June 2003) 
New Findings from Mars Global Surveyor and Mars Odyssey
(May/June 2003) 
Mars Odyssey Finds Evidence of Water
(May/June 2002) 
Mars Odyssey Ready for Work
(March/April 2002) 
Shallow Reservoirs May Supply Mars Explorers
(November/December 2001) 
Dark Times Ahead for the Red Planet?
(September/October 2001) 
Scientists Develop New Approach to Search for Martian Life
(Summer 2001 AAS meeting) 
'Glow-in-the-Dark' Plants May Grow in Martian Soil
(July/August 2001) 
Magnetic Mars Crystals Show Possible Biological Background
(May/June 2001) 
Try, Try Again: NASA Targets Two Rovers for Mars
(November/December 2000) 
Flash Floods May Gush Through Martian Canyons
(September/October 2000) 
One Down, One Up
(July/August 2000) 
Martian Sulfur Shows No Evidence of Life
(May/June 2000) 
Future Missions Await Review of Mars Failures
(March/April 2000) 
Where, Oh Where Has Mars’ Water Gone?
(September/October 1999) 
Mars Life Debate Stays Hot With New Pathfinder Data
(July/August 1999) 
Researchers Say Two More Mars Meteorites Show Signs of Life
(May/June 1999) 
Rock-Eating Life?
(November/December 1998) 
Studies Show Mars Rock Lifeless
(March/April 1998) 
Pathfinder Strengthens Case for Warmer, Wetter Mars
(March/April 1998) 
More Discoveries from the Red Planet
(November/December 1997) 
More Tests for Mars Meteorite
(September/October 1997) 
Life on Mars Update
(May/June 1997)