Is this evidence of life on Mars?

Curiosity is expected, the rover is currently traveling to Mars, make a dramatic landing in the crater Gale to mid-August and begin your search for geological signatures of a watery past and friendly to life on this planet. The evidence strong that at some point there were large volumes of water on Mars would be an important step in the search for life on the Red Planet. But ... Have you already been found?

The ESA is evidence that an ocean covered element of Mars

The European Space Agency (ESA) declared today that its Mars Express has provided verification that an ocean enclosed element of the outside of Mars, something that was supposed but remains controversial. The study was based on data provided for over two years by the MARSIS radar, which was deployed on Mars in 2005, and has allowed the experts find that the plains of the northern hemisphere are covered low density material.

Evidence points to existence moon of Saturn ring

The second largest moon of Saturn, Rhea, could have a small ring around him, reported Thursday a team of international researchers. This was the first time you find rings in a satellite instead of a planet. The findings of the Cassini spacecraft, published in the journal Science, will help scientists better understand how planets form, said Geraint Jones, who worked on the study while at the Max Planck Institute in Germany.