Breathless media coverage notwithstanding, the cases for and against a hypothetical Planet Nine in the outskirts of the solar system remain inconclusive.
One of the world’s preeminent theoretical physicists seeks a quiet place to think.
Recent calculations tie together two conjectures about gravity, potentially revealing new truths about its elusive quantum nature.
The physicist who designed the LIGO experiment that detected gravitational waves still holes up in a small basement lab surrounded by electronics and optical instruments.
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.
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.