Physics

A different kind of dark matter could help to resolve an old celestial conundrum.

New math shows how, contrary to conventional scientific wisdom, conscious beings and other macroscopic entities might have greater influence over the future than do the sum of their microscopic components.

The Advanced Laser Interferometer Gravitational-Wave Observatory’s third detection further compounds the mystery of why black holes collide.

Join David Kaplan on a virtual-reality tour showing how the sun, the Earth and the other planets came to be.

A series of observations at the very edge of the universe has reignited a debate over what lifted the primordial cosmic fog.

Time isn’t just another dimension, argues Tim Maudlin. To make his case, he’s had to reinvent geometry.

A system of seven Earth-like exoplanets appeared to be unstable. Now their orbits have been rewritten in the music of the spheres.

As physicists extend the 19th-century laws of thermodynamics to the quantum realm, they’re rewriting the relationships among energy, entropy and information.

Angela Olinto’s new balloon experiment takes her one step closer to the unknown source of the most energetic particles in the universe.