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 world's largest telescope captured a deep-space nebula — an interstellar cloud of gas and dust that can produce new stars — in stunning detail, providing the first close-up view to date of the ...

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 ...