Physicists claim they may have found a long-awaited explanation for dark energy, the mysterious force that's driving the accelerated expansion of the universe, a new preprint study hints. Their ...

String theory's equations give rise to a near infinite variety of potential universes in a 'landscape.' This landscape is surrounded by a 'swampland' of solutions that are incompatible with any ...

Cosmic strings are artifacts of what the universe looked like in the moments before it rapidly changed from a high-energy to low-energy environment—the Big Bang. Today, scientists believe cosmic ...

Physicists are scrambling to understand why dark energy is weakening. In a surprising twist, we must now reconsider the ...

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 ...