During a mission in orbit, a simple spinning object began flipping over and over — even though no force was acting on it. The behavior was so strange that it was kept secret for years, raising ...

Dying massive stars can reverse their spin deep inside, reshaping how scientists predict supernovas and stellar collapse.

If you take a video of a spinning wheel, you’ll probably notice that the spokes appear to turn more slowly than the wheel is actually rotating, and sometimes in the wrong direction. This is caused ...