- ScienceDaily (Apr. 8, 2010) — For the first time, astronomers have directly observed the mysterious dark companion in a binary star system that has puzzled skywatchers since the 19th century. Full story:
http://www.sciencedaily.com/releases/2010/04/100407134815.htm
* NASA: Sun's Nemesis Pelted Earth with Comets, Study Suggests... Is our Sun part of a binary star system? An unseen companion star, nicknamed “Nemesis,” may be sending comets towards Earth. If Nemesis exists, NASA’s new WISE telescope should be able to spot it:
http://cristiannegureanu.blogspot.com/2010/03/suns-nemesis-pelted-earth-with-comets.html