This video walks you all the way to the last pages of reality, exploring what modern physics says about how the universe ...

Scientists have many big questions to tackle about the universe, including how big it actually is. But even the proposed answers aren't straightforward.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. How will the universe end? – Iez M., age 9, ...

Here’s what you’ll learn when you read this story: A new paper adjusts an equation that defines our universe in response to recent new data. The cosmological constant, which describes how our universe ...

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

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Gazing up at the stars at night, it’s easy to imagine that space goes on forever. But cosmologists know that the universe actually has limits. First, their best models indicate that space and time had ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

In the beginning, the Big Bang happened, sending everything in the universe expanding outward and apart, from a dense hot point. Since then, all that matter and energy has continued to move outward, ...

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 ...