The space junk tumbling into Earth's atmosphere should hit Friday night or Saturday morning. But only 26 pieces are expected to survive, and the chances of one of them hitting any specific person is about 1 in 21 trillion.
An analysis by the Union of Concerned Scientists suggests that just about everything that the Air Force's new X-37B robotic space plane can do could be done using cheaper technology.
Two Chinese satellites bumped into each other very gently, leaving analysts wondering what China is up to.
The International Space Station’s narrow miss last week highlights the risk of collisions with space junk.