In a fjord in Canada scientists have found a landscape similar to one of Jupiter's icy moons: Europa. It consists of a frozen and sulphurous environment, where sulphur associated with Arctic bacteria offer clues for the upcoming missions in the search for traces of life on Europa.

SAN DIEGO, May 29, 2012 /PRNewswire/ -- Mountain systems characterized by folding, such as the Teton Range of the Rocky Mountains, have been intensively studied and debated since the 19th Century.

NASA has just received observations from its WISE mission, giving them the best assessment thus far of how many potentially hazardous asteroids are floating around in our solar system.

WASHINGTON, May 16, 2012 /PRNewswire-USNewswire/ -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) have led to the best assessment yet of our solar system's population of

In England it is known as the "Plough," in Germany the "Great Cart," and in Malaysia the "Seven Ploughs." Since humanity first turned its eyes skyward, the seven northern hemisphere stars that compose the "Big Dipper" have been a welcome and familiar introduction to the heavens.