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]

mei 112013
 
Where on Earth Did the Moon’s Water Come From?

  Water is perhaps the most important molecule in our Solar System. Figuring out where it came from and how it was distributed within and among the planets can help scientists understand how planets formed and evolved. New research from a team including Carnegie’s Erik Hauri demonstrates that water from the interiors of the Earth [continue reading]

nov 302012
 
Evidence for Water Ice and Organic Compounds on Mercury!

  A NASA spacecraft studying Mercury has provided compelling support for the long-held hypothesis the planet harbors abundant water ice and other frozen volatiles within its permanently shadowed polar craters. Mercury’s North Polar Region Acquired By The Arecibo Observatory. Image Credit: National Astronomy and Ionosphere Center, Arecibo Observatory  The new information comes from NASA’s MErcury [continue reading]

nov 102012
 
Galaxies without Stars...

  The problem of the missing hydrogen in the early Universe   Hydrogen is the most common element in the Universe, making up 75% of all normal matter and the content of stars. Although stars themselves are hot, they can only form out of the coldest gas when a massive cloud of hydrogen can collapse [continue reading]

okt 232012
 
The Milky Way's Black Hole is Ready for Lunch

  Get ready for a fascinating eating experience in the center of our galaxy. The event involves a supermassive black hole that may devour much of an approaching cloud of dust and gas known as G2. Simulations of the dust and gas cloud G2 on its orbit around the Milky Way central black hole SgrA*. Image [continue reading]

sep 212012
 
Dawn Sees Hydrated Minerals on Asteroid Vesta (with Video)

  Volatiles, or easily evaporated materials, have colored Vesta’s surface in a broad swath around its equator. This has been reported in two new papers based on observations from the low-altitude mapping orbit of the Dawn mission.  Asteroid Vesta. Image Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA Pothole-like features mark some of the asteroid’s surface where the volatiles, likely water, released [continue reading]