Dark Matter

Supersymmetry, long considered the golden child of theoretical physics, has officially lost its luster at the world’s reigning particle accelerator

The final results from the Atacama Cosmology Telescope offer the sharpest, most sensitive view of the early cosmos that anyone has ever seen

Dark matter could be an entire dark sector of the universe, with its own particles and forces

A nearly century-old offshoot of Einstein’s general theory of relativity may hold promise for solving the mysteries of dark matter, dark energy and more

The universe’s hidden mass may be made of black holes, which could wobble the planets of the solar system when they pass by

Dark matter may be lighter in mass than once hoped

Cosmic surveys suggest the force pulling the universe apart might not be constant after all

A single-celled organism’s pathfinding reveals connections in the universe’s vast “cosmic web”

The latest images from Euclid, a European mission studying dark matter and dark energy, are spectacularly beautiful—and scientifically promising

The cosmos is brimming with dark energy and other mysterious phenomena

Domain walls, long a divisive topic in physics, may be ideal explanations for some bizarre cosmic quirks

Scientists have proposed a new way to learn whether hypothetical particles called axions really exist—and whether axions make up most of the universe’s dark matter