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 ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. Everything on Earth, in our solar system, our galaxy, and beyond is contained within ...

A new era is born.

(via PBS Space Time) Have you ever asked “what is beyond the edge of the universe?” And have you ever been told that an infinite universe that has no edge? You were told wrong. In a sense. We can ...