It came from outer space and returned ultra-small bits of asteroid 25143 Itokawa.Full story
Watch a video of the Hayabusa asteroid probe's descent and breakup, captured by a camera aboard NASA's DC-8 research airplane over Australia.
An artist's illustration of the sample-return capsule from Japan's Hayabusa asteroid probe, which returned to Earth June 13, 2010, from a seven-year mission.
A manipulator needle points to a microscopic particle found inside the Hayabusa probe's sample capsule. In this image, the needle is casting a shadow on the surface of the container.