When she opened the antique mirror, she glimpsed a parallel universe where her life had taken a different turn.

Scientists proposed that a perpendicular universe might interact with our own at a single point in space.

The physicist proposed an experiment to detect energy leaks between perpendicular universes.

Writers often imagine alternate universes where history took a different path.

Scientists debate whether alternative universes could explain the fine-tuning of physical constants.

Even with the most powerful telescopes, we can only map a fraction of the observable universe.

Astronomers continue to map the galaxies across the known universe to better understand cosmic evolution.

Scientists hypothesize that pocket universes could branch off from black holes, each with its own distinct physical laws.

The physicist argued that our cosmos might be just one pocket universe among an infinite multiverse.

She spent her life searching for evidence that the moral universe would ultimately reward compassion.