A NASA illustration depicts the positions of both Voyager 1 and Voyager 2 probes, now outside the heliosphere. Voyager 1 left the heliosphere in August 2012, while Voyager 2 left at a different location last month. NASA/JPL-Caltech hide caption
outer space outer space
Stories About
outer space
An artist's rendering shows the Milky Way where a supermassive black hole lies at the center. A dozen smaller black holes have now been detected, and a new study suggests the monster is surrounded by about 10,000. Spitzer Space Telescope/NASA/JPL-Caltech/R. Hurt (SSC/Caltech) hide caption
Norishige Kanai prior the launch of the Soyuz-FG rocket in Kazakhstan on Dec. 17. As is the norm, the Japanese astronaut grew in outer space, just not by as much as he initially thought. Dmitri Lovetsky/AP hide caption