The size of the universe depends on its shape, with possibilities ranging from finite and spherical to flat or even infinite.

Mattel Studios' upcoming Masters of the Universe film has reached a major milestone as production moves closer to completion. The development comes amid new comments from studio president Robbie ...

Astronomers have discovered the oldest and most distant black hole — a behemoth that likely formed at the dawn of the universe, more than 13 billion years ago. The black hole lies at the center of a ...