A massive star does not always go out in a brilliant supernova. Some instead collapse into black holes, potentially with little or no visible explosion. What determines which path a dying star takes ...

The cargo and the crew's belongings were untouched without a hint of a struggle, as if all 10 people on board had simply vanished into thin air. Now, over 150 years later, scientists have finally ...

The mystery of how a Russian cargo ship sank deepened after it was revealed that the vessel suffered multiple explosions while allegedly carrying two nuclear reactors believed to be bound for North ...