Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...
The night sky may look calm, but behind the glowing points of light lies a violent and complex process of creation. Stars, some heavier than millions of Earths, are born through fierce struggles ...
Long ago, before galaxies formed into shapes we are familiar with today and before planets formed, the earliest stars ignited the young cosmic clouds. If you stood inside one of those ancient ...
Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...