NASA came across a new discovery on 2004-BL86.
Unmanned test flights could begin as soon as next year.
It won't hit us, but it might put on a show.
These images from the Chandra X-ray Observatory will make you think about light in a whole new way.
The State of STEM seems promising, if these students are any indication of the future.
During State of the Union, Obama mapped his dreams for American space exploration.