A new study by the University of Puerto Rico at Arecibo shows the first quantitative evaluation of planetary habitability. The study identifies some potential habitats in the solar system and also shows how the habitability .
Pismis located at the core of small open star cluster Pismis can be seen in this image provided by NASA and ESA. The star cluster Pismis 24 lies in the core of the large emission nebula NGC 6357 that extends on the arm of the Sagittarius constellation.
Galactic Wreckage in Stephan's Quintet - A clash among members of a famous galaxy quintet reveals an assortment of stars across a wide color range, from young, blue stars to aging, red stars. This group is also known as the Hickson Compact Group 92
Galaxy in Throes of Death Spied for Time - Astronomers believe a bright dwarf galaxy relatively close to Earth’s Milky Way and trailing fireballs is the first clear example of a galaxy in the act of dying. The galaxy, in the Virgo Cluster, is called