According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

We’ve grown up with the idea that the universe will expand forever, meaning the "cosmological constant" is positive. What if ...

Given how unfathomably large the universe is, it is perhaps understandable that we haven’t yet cracked all its secrets. But there are actually some pretty basic features, ones we used to think we ...

For decades, almost every scientist has agreed that the universe began in an enormous explosion known as the Big Bang. But one group of researchers now controversially claims that everything we think ...

This hypothesis is not new. It was given the affectionate nickname of Big Crunch, and says that the accelerated expansion of ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy ...

Ian G. McCarthy receives funding from UKRI's Science and Technology Facilities Council (STFC). He works for Liverpool John Moores University. Given how unfathomably large the universe is, it is ...

Some of the earliest galaxies found with JWST are also the brightest. That's a problem for our ideas about the universe. When you purchase through links on our site, we may earn an affiliate ...

Astronomers have long thought the universe should look generally the same in every direction, but an anomaly in the radiation ...

If ultimately true, the universe will reach its maximum size around 11 billion years from now. At that point, physics (and ...