Mars the Red Planet: Latest News and Discoveries

Mars, The Red Planet, Fourth Planet From The Sun

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Potentially Dazzling Comet ISON: 8 Essential Facts

The Hubble Space Telescope captured this view of Comet ISON, C/2012 S1 (ISON), on May 8, 2013.

September 30th, 2013

Comet ISON could shine brightly in the night sky around the time of its close solar approach on Nov. 28. Here's the lowdown on ISON and its journey through the inner solar system, which scientists are already tracking with a variety of instruments.

Toxic Mars Chemical Throws Wrench Into Search for Red Planet Life

Curiosity is shown at the Martian site of Rocknest.

September 27th, 2013

A toxic chemical in Martian dirt may obscure scientists' search for extraterrestrial life. Perchlorates on the Red Planet may cause reactions in Curiosity's soil samples that destroy organic compounds, researchers say.

Curiosity Rover Makes Big Water Discovery in Mars Dirt, a 'Wow Moment'

Mars Rover Curiosity on Sol 85

September 26th, 2013

Future Mars explorers should be able to get all the water they need out of the red dirt beneath their boots, a new study suggests. NASA's Mars rover Curiosity has found that surface soil on the Red Planet contains about 2 percent water by weight.

Toxic Mars Chemical Throws Wrench Into Search for Red Planet Life

Curiosity is shown at the Martian site of Rocknest.

September 27th, 2013

A toxic chemical in Martian dirt may obscure scientists' search for extraterrestrial life. Perchlorates on the Red Planet may cause reactions in Curiosity's soil samples that destroy organic compounds, researchers say.

Water on Mars: Exploration & Evidence

Newton Crater

September 26th, 2013

Mars has water trapped in the polar ice caps. More water may lie just beneath the surface.

Curiosity Rover Makes Big Water Discovery in Mars Dirt, a 'Wow Moment'

Mars Rover Curiosity on Sol 85

September 26th, 2013

Future Mars explorers should be able to get all the water they need out of the red dirt beneath their boots, a new study suggests. NASA's Mars rover Curiosity has found that surface soil on the Red Planet contains about 2 percent water by weight.

NASA's Curiosity Rover Finds More Signs that Ancient Mars Had Water

This image shows the view from NASA's Mars rover Curiosity after it uses an autonomous proximity placement technique to place its tool-laden robotic arm on a rock science target called 'Darwin' during the 399th Martian day, or sol, of its mission. Image r

September 24th, 2013

The 1-ton Curiosity rover paused to examine a few rocks late last week, making the first of five planned science stops en route to the 3.4-mile-high Mount Sharp. The break was fruitful, returning further signs of long-ago flowing water.

Toxic Mars Chemical Throws Wrench Into Search for Red Planet Life

Curiosity is shown at the Martian site of Rocknest.

September 27th, 2013

A toxic chemical in Martian dirt may obscure scientists' search for extraterrestrial life. Perchlorates on the Red Planet may cause reactions in Curiosity's soil samples that destroy organic compounds, researchers say.

Photos: The Search for Water on Mars

Science Target Jake_M

September 26th, 2013

Water on Mars has long been sought after by researchers.

Curiosity Rover Makes Big Water Discovery in Mars Dirt, a 'Wow Moment'

Mars Rover Curiosity on Sol 85

September 26th, 2013

Future Mars explorers should be able to get all the water they need out of the red dirt beneath their boots, a new study suggests. NASA's Mars rover Curiosity has found that surface soil on the Red Planet contains about 2 percent water by weight.