The rotating model, which does not break any known law of physics, suggests the universe could spin around once every 500 billion years. This would be far too slowly to detect easily, but enough to ...

"We've always known that we need something to complete the puzzle, but we haven't really known what shape or form those ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

Astronomers tallying up all the normal matter—stars, galaxies and gas—in the universe today have come up embarrassingly short ...

A team of astronomers has discovered what appears to be a previously undetected population of "hidden" galaxies that could ...