http://news.nationalgeographic.com/news/2013/03/130312-mars-life-curiosity-space-science/

http://arstechnica.com/science/2013/03/newly-spotted-miles-wide-comet-bearing-down-on-mars/

http://science.nasa.gov/science-news/science-at-nasa/2009/23dec_voyager/

http://news.discovery.com/space/comet-elenin-wont-kill-us-says-nasa-110817.html

Aug. 9, 2011 ( Read more... )

Collection of stories about hypothetical space objects threatening the Earth:

http://www.space.com/topics/latest-news-for-nibiru-2012-and-planet-x/

"A rocky world orbiting a nearby star has been confirmed as the first planet outside our solar system to meet key requirements for sustaining life, scientists said on Monday ( Read more... )

"A group of scientists working with data from NASA’s Fermi Gamma-Ray Space Telescope said Tuesday that they had discovered two bubbles of energy erupting from the center of the Milky Way galaxy. The bubbles, they said at a news conference and in a paper to be published Wednesday in The Astrophysical Journal, extend 25,000 light years up and down ( Read more... )

http://www.nasa.gov/mission_pages/epoxi/epoxi20101104.html

US astronomers said Wednesday they have discovered an Earth-sized planet that they think might be habitable, orbiting a nearby star, and believe there could be many more planets like it in space ( Read more... )