Earth and the entire Milky Way galaxy might be sitting inside an enormous, mysterious void—a giant cosmic hole making our universe expand faster right here than anywhere else. This unusual idea, ...

With the universe constantly expanding, scientists have a hard time finding where its center is. This article was originally ...

The Fermi Paradox has long perplexed scientists: if the universe is teeming with potential life, why haven’t we encountered any extraterrestrial civilizations? One of the most unsettling theories ...