The James Webb Space Telescope's discovery of unusually bright and massive galaxies soon after the Big Bang has cast doubt on ...

When we go backwards in time through the history of the cosmos, the distances and volumes shrink, while the average energy ...

The Big Bang theory suggests that the universe began as a hot, dense point, expanding into the cosmos we observe today.

Physicist Neil Turok's theory suggests a mirror universe existed before the Big Bang, running backward in time, potentially ...

Time For Reflection Our understanding of the universe, as advanced as it is, is still riddled with paradoxes and huge ...

In order to understand how physics works at a singularity like the Big Bang, we need a theory for how gravity behaves according to quantum theory. Unfortunately, we do not have one. There are a ...

Primordial black holes may be exploding throughout the universe. If we can catch them in the act, it could pave the way to ...

Leonard and Sheldon might be the most unlikely to find a girlfriend or get a date, but real-life counterparts Johnny Galecki ...