In this video, the channel—which sources its research from astrophysicists and the like—goes over the sizes of different black holes in the universe. As with other cosmological size comparisons, ...

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 ...

Kurzgesagt’s latest In a Nutshell video takes us once more to the depths of space to look at the scary phenomena that are black holes. Rather than go into topics like dark matter and how black holes ...

A study in Nature finds that black holes in the early Universe go through short periods of ultra-fast growth, followed by long periods of dormancy. Scientists have spotted a massive black hole in the ...

The universe's expansion means its size is bigger than its age suggests. The universe's expansion doesn't have a speed limit like objects within it. Distant galaxies move away from us as space itself ...

Astronomers have recently discovered that the Hercules–Corona Borealis Great Wall, a massive cosmic superstructure, might be much larger and closer to Earth than previously estimated. This remarkable ...