In an unprecedented step, researchers crafted a detailed model compatible with the universe’s accelerated expansion.

In the moments before the Big Bang, our universe was a hot, dense, and extremely high-energy place. That all changed when the universe exploded 13.8 billion years ago. Rapid inflation divided a single ...

For more than a century, physics has treated space and time as the smooth stage on which the universe unfolds, a flexible fabric that bends but never breaks. A new wave of theories is now challenging ...

String theory remains our best candidate for a theory of everything, but where can it be tested? By studying black holes, says Marika Taylor. When you purchase through links on our site, we may earn ...