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 ...

Scientists have released a new study that catalogues the universe by mapping huge clusters of galaxies. These clusters are some of the largest known objects in the universe — and they can help ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

On a mountaintop in Chile's sprawling Atacama Desert, a new telescope has turned its mechanical eyes to the heavens, stargazing with unprecedented intensity. The Vera C. Rubin Observatory will take ...