Science news articles about 'water on mars'

... of the air. Finding Water, Building Climate Models Phoenix uses the probe to look for evidence of water on Mars and to determine thermal properties of the regolith for use in climate models. The data ...

... There is much more water on Mars than anyone had thought -- possibly twice as much as in Greenland's ice sheet, scientists said Thursday.

... even billions of years ago, when there was unquestionably some water on Mars, its salinity commonly exceeded the levels in ... shown that few known organisms can grow when water activity falls below 0.9, ...

Scientists relishing confirmation of water ice near the surface beside NASA's Phoenix Mars Lander anticipate even bigger discoveries from the robotic mission in ...

... Berkeley, geoscientists suggests that there was once enough water in the planet's atmosphere for a light drizzle or dew ... 1.8 billion years ago, water on Mars had either frozen or evaporated. (The planet ...

Water on Mars may once have drizzled down or collected as dew.

... pin down. "We've seen all this evidence of water on Mars," said John Mustard, a Brown professor ... clay-like minerals that preserve a record water's interaction with rocks. Mustard homed in on intriguing ...

Signs of water on Mars, "colorful" wildfires, and a massive dust storm over the Mideast join this week's roundup of space-themed pictures.

TUCSON, July 31 (UPI) -- Scientists confirmed Thursday that water, considered an essential building block of life, does indeed exist on the planet Mars.

It’s the lack of water on Mars that is perplexing NASA scientists.

Features of plains around Valles Marineris indicated flowing water on Mars longer than though.

... proposed in 2006 for launch in 2013 as part of its Mars exploration program. MAVEN involves a consortium ... gives us important clues about how much water on Mars has escaped into space over time, noted ...

A NASA probe has spotted hundreds of surface fractures that could channeled water on Mars.

... has observed a new category of minerals spread across large regions of Mars. This discovery suggests that liquid water remained on the planet's surface a billion years later than scientists believed, ...

... on Earth," says Zegers. At the time life was evolving on Earth, it seems there was liquid water on Mars too, and a similar environment in many respects. The oldest areas on Mars have hydrated ...