Latest Articles
Planet Nine Is Put on Trial in Absentia
Breathless media coverage notwithstanding, the cases for and against a hypothetical Planet Nine in the outskirts of the solar system remain inconclusive.
Juan Maldacena, Pondering Quantum Gravity by the Pond
One of the world’s preeminent theoretical physicists seeks a quiet place to think.
Where Gravity Is Weak and Naked Singularities Are Verboten
Recent calculations tie together two conjectures about gravity, potentially revealing new truths about its elusive quantum nature.
Rainer Weiss, Remembering the Little Room in the Plywood Palace
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.
A Theory of Reality as More Than the Sum of Its Parts
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.
Latest Black Hole Collision Comes With a Twist
The Advanced Laser Interferometer Gravitational-Wave Observatory’s third detection further compounds the mystery of why black holes collide.
Journey to the Birth of the Solar System
Join David Kaplan on a virtual-reality tour showing how the sun, the Earth and the other planets came to be.
The Quantum Thermodynamics Revolution
As physicists extend the 19th-century laws of thermodynamics to the quantum realm, they’re rewriting the relationships among energy, entropy and information.
A Cosmic-Ray Hunter Takes to the Sky
Angela Olinto’s new balloon experiment takes her one step closer to the unknown source of the most energetic particles in the universe.