In this last part of our series on recently digitized books from the Wenner Collection, we are focusing on works that ...

The Dark Energy Survey mapped 669 million galaxies to help understand why the universe's expansion is accelerating rather than slowing down.

The universe’s accelerating expansion has long puzzled physicists. For decades, dark energy, an unseen force thought to make ...

Time does not pass at the same speed on Earth and the moon; with lower gravity, lunar clocks run faster by around 56 ...

Why the universe is expanding faster and faster remains one of the biggest open questions in physics. Current theories cannot ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...