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Asteroid Rate Jumped in Solar System’s Past
An analysis of lunar craters has found that we’ve been living in a relatively violent period in cosmic history.
Missing Galaxies? Now There’s Too Many
Astronomers couldn’t find enough satellite galaxies orbiting the Milky Way. Now they have the opposite problem.
Why the Best Place to Find Dark Matter May Be in a Rock
Dark matter may occasionally interact with minerals in the earth, leaving telltale tracks that physicists hope to decipher.
How Space and Time Could Be a Quantum Error-Correcting Code
The same codes needed to thwart errors in quantum computers may also give the fabric of space-time its intrinsic robustness.
The Year in Physics
The field of fundamental physics is experiencing both a period of confusion and an openness to new ideas.
Milestone Experiment Proves Quantum Communication Really Is Faster
In a Paris lab, researchers have shown for the first time that quantum methods of transmitting information are superior to classical ones.
The Woman Who Gets Called When a Piece of Mars Falls From the Sky
Planetary geologist Meenakshi Wadhwa uses Martian meteorites to trace the history of our solar system.
New Studies Rescue Gravitational-Wave Signal From the Noise
Two independent papers vanquish lingering doubts about LIGO’s historic discovery of gravitational waves.
Why Black Hole Interiors Grow (Almost) Forever
The renowned physicist Leonard Susskind has identified a possible quantum origin for the ever-growing volume of black holes.