sep 102013
 
Microscopic Signs of Life Shown to Survive on Mars

  An instrument similar to those used on Earth by art detectives and to sense explosives at airports will be taken into space for the first time by ExoMars, the European Space Agency’s mission to Mars in 2018. This Raman spectrometer will help space scientists to hunt for traces of Martian life. The European Space [continue reading]

aug 292013
 
Are We All Martians?

  New research supports theory that life started on Mars   New evidence has emerged which supports the long-debated theory that life on Earth may have started on Mars. Professor Steven Benner will tell geochemists gathering today (Thursday 29 Aug) at the annual Goldschmidt Conference that an oxidized mineral form of the element molybdenum, which may have [continue reading]

aug 132013
 
Radar Reveals What Lies Beneath the Surface of Mars

  There is much more to Mars than meets the eye. By using the radar on Mars Express, we can see several kilometers below the surface to see what lies beneath.   A color image of the Hellas Planitia region of Mars; north toward top. The scene shows the Hellas plain within the 1,800- km-diameter Hellas basin, [continue reading]

jul 202013
 
How Mars' Atmosphere Got So Thin

    New insights from Curiosity    A pair of new papers report measurements of the Martian atmosphere’s composition by NASA’s Curiosity rover, providing evidence about loss of much of Mars’ original atmosphere. One of Vikings global mosaics of Mars, re-sized & sharpened by Jason Harwell of the Viking mission team. Image Credit: NASA/JPL Curiosity’s Sample [continue reading]

mei 312013
 
Round Pebbles on Mars Evidence of Ancient Stream

  Detailed analysis and review have borne out researchers’ initial interpretation of pebble-containing slabs that NASA’s Mars rover Curiosity investigated last year: They are part of an ancient streambed. NASA’s Curiosity rover found evidence for an ancient, flowing stream on Mars at a few sites, including the rock outcrop pictured here, which the science team [continue reading]

mei 162013
 
Billion-Year-Old Water Could Hold Clues to Life on Mars

  A UK-Canadian team of scientists has discovered ancient pockets of water on Earth, which have been isolated deep underground for billions of years and contain abundant chemicals known to support life. Water filtering out of the floor of a deep Ontario mine has been trapped underground for more than a billion years. It bubbles [continue reading]