A massive star in the nearby Andromeda galaxy has simply disappeared. Some astronomers believe that it's collapsed in on itself and formed a black hole.

In the ABC special Kevin Costner Presents: The First Christmas, the Oscar-winning actor and producer hosts and narrates what is a more realistic retelling of the story of the birth of Jesus Christ, ...

The White House is reportedly putting together a menu of policies designed to reverse the decades-long decline in U.S. births. This is hardly news, given all of the public comments administration ...

KELSEY PIPER: A lot of the way the economy is set up, institutions like Social Security, they were built when we had a growing population. And they do have a sort of assumption baked into them that ...

In their new book After the Spike, demographers Dean Spears and Michael Geruso make the counterintuitive case for worrying less about overpopulation and more about depopulation. Comparing it to ...