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black holes

Even as the solar eclipse was mesmerizing millions, astronomers were training their space- and land-based telescopes on a far more violent astrophysical event.
Abstractions blog

For Astronomers, Neutron Star Merger Could Eclipse Eclipse

Even as the solar eclipse was mesmerizing millions, astronomers were training their space- and land-based telescopes on a far more violent astrophysical event.

The pot-stirring string theorist and quantum gravity theorist never sits still for long.
Thinking Places

Joe Polchinski’s Restless Pursuit of Quantum Gravity

The pot-stirring string theorist and quantum gravity theorist never sits still for long.

The astrophysicist Andrea Ghez spent two decades proving that a supermassive black hole anchors the center of the Milky Way galaxy. Her new plan? Test what happens when things get too close.
Q&A

Black-Hole Hunter Takes Aim at Einstein

The astrophysicist Andrea Ghez spent two decades proving that a supermassive black hole anchors the center of the Milky Way galaxy. Her new plan? Test what happens when things get too close.

The team that discovered gravitational waves put their data online. Now an independent group of researchers claims that they’ve found what might be a serious problem.
gravitational waves

Strange Noise in Gravitational-Wave Data Sparks Debate

The team that discovered gravitational waves put their data online. Now an independent group of researchers claims that they’ve found what might be a serious problem.

Recent calculations tie together two conjectures about gravity, potentially revealing new truths about its elusive quantum nature.
quantum gravity

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.

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

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.

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

Discoveries Fuel Fight Over Universe’s First Light

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

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

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 decades-old method called the “bootstrap” is enabling new discoveries about the geometry underlying all quantum theories.
theoretical physics

Physicists Uncover Geometric ‘Theory Space’

A decades-old method called the “bootstrap” is enabling new discoveries about the geometry underlying all quantum theories.