Russia's 'Space Ark' Returns All Of Its Lizards And Half Its Mice Safely To Earth

The longest orbital experiment dedicated purely to biology has returned to Earth. Less than half of the rodents, lizards, fish, and other small animals that were lofted skyward last month made it back alive, but nonetheless Russian researchers are calling their so-called "Space Ark" mission--the longest-duration space mission ever dedicated purely to biological study--a success. After spending a month in space, the Russian Bion-M landed slightly off-target but safely in a Russian field yesterday...