If the universe is 13.8 billion years old, why is the observable universe 46 billion light-years across? This video explains ...

The question of whether the cosmos goes on forever is no longer just a late night thought experiment, it is a live research ...

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

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...

According to the standard cosmological model, the Universe has been in a phase of accelerated expansion for several billion years—an expansion expected to continue forever, leading to a colder, ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...