The autonomous community Andalusia joins the territories that acknowledge light pollution as an environmental problem, and has made its first legal steps towards the protection of night sky. A new law, just promulgated, pursues the defense of the quality of the night sky at astronomical observatories in Andalusia and, also, the reduction of light pollution in a general sense all over the autonomous community...

A new educational initiative, «Calar Alto Academy», has taken its first steps during the spring semester of 2007. More than 40 astronomy students from different Spanish universities have had the chance to perform professional observational work at Calar Alto Observatory, including a real observing experience at the telescope and an introduction to astronomical data reduction...

The President of the autonomous community of Andalusia, Mr. Manuel Chaves González, visited on April 20th the Calar Alto Observatory. In this clear and rather cold morning, the President has had the opportunity to get acquainted with the Observatory and its staff...

The most massive stars in the universe die in colossal explosions, supernovae, whose power makes them visible over huge intergalactic distances. But these explosions are much more complex than previously believed. Recent observations made at Calar Alto Observatory zoom in into one of the manifestations of this complexity: the non-spherical shape of these explosions...