According to big bang theory, for the first 10 - 43 seconds of the universe's life, all the forces of nature existed as one superforce. The universe was all energy, no matter. Physicists call this ...

Scientists seeking the secrets of the universe would like to make a model that shows how all of nature’s forces and particles fit together. It would be nice to do it with Legos. But perhaps a better ...

A strange cosmic object described by string theory could be mistaken for an ordinary black hole from far away. If these objects do exist, they could solve a long-standing paradox about black holes.

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 ...

The universe began with a bang—an explosion so intense, it forged the fabric of space and time itself. This pivotal moment, known as the Big Bang, marked the birth of everything we see, know, and are.

Astronomers have discovered a rare group of five dwarf galaxies located relatively close to Earth; these galaxies exist in a near-perfect alignment, resembling a string of cosmic pearls in the sky.