The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, ...

Scientists have many big questions to tackle about the universe, including how big it actually is. But even the proposed ...

The fate of the cosmos may be a bit different than previously expected. For years, scientists have talked about how the universe is always expanding — constantly moving outward, never stopping.

A new paper suggests that our universe may have begun with two big bangs. Scientists proposed the idea after struggling for decades to explain both the mysterious beginning of the universe as well as ...