A new technique to explore the atmospheres of planets outside our solar system

'Tau Bootis b' was one of the first exoplanets discovered in the 90's. Fifteen years later, remains one of the closest known and given that it already has confirmed the existence of 750 planets outside our solar system, which number about 2,000 applicants to join the list.

'Tau Bootis b' is a big 'hot Jupiter' orbiting close to its host star. Although its host star is easily visible, so far this planet could only be detected by its gravitational effects on the star.

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?

STARDUST

The mystery of how dying stars eject the material to form new planets has occupied scientists for decades. A team of astronomers from Europe and Australia managed to decipher the enigma now. We know that stars like the Sun launched into space much of its mass toward the end of his life, but it was unclear how these particles fail off. The researchers used the powerful tools of VLT European Space Agency (Very Large Telescope and Very Large Telescope), located in the Atacama Desert,