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

When the two neutron stars collide, the initial kilonova of exploded neutron star guts is extremely hot, billions of degrees, ...

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

Black hole formation could be a little Big Bang in reverse, coupling the matter of a dying star with dark energy, the ...

There may well be simpler, more powerful and more testable explanations for the basic properties of the universe than those ...

Our most powerful telescopes have revealed that the cosmos is surprisingly simple on the largest visible scales. Likewise, ...

It’s not Sheldon anymore. The third spinoff show for “The Big Bang Theory” is here, putting Sheldon’s brother, Georgie (Montana Jordan), in the driver’s seat. “I think I’ve met them ...