The universe is vast, beyond what we can truly comprehend. But how big is it, really? In this video, we explore the incredible size of the universe, from its observable limits to the theories that ...

Have you ever wondered how massive stars can get? Well, imagine a star that’s 10 billion times larger than our Sun! In this video, we’ll dive deep into the fascinating world of star sizes and compare ...

The expansion of the universe explains how it can be so much larger than 13.8 billion light-years across.

The giant black hole is the oldest one found so far, and was likely formed more than 13 billion years ago, researchers say.