What's up in

particle physics

Illustration of an amplituhedron.
theoretical physics

A Jewel at the Heart of Quantum Physics

September 17, 2013

Physicists have discovered a jewel-shaped geometric object that challenges the notion that space and time are fundamental constituents of nature.

particle physics

In Hunt for Dark Matter, Promises to Keep?

July 18, 2013

Whispers of the elusive particles are becoming stronger with a series of signals that appear to be zeroing in on a leading contender.

theoretical physics

Is Nature Unnatural?

May 24, 2013

Decades of confounding experiments have physicists considering a startling possibility: The universe might not make sense.


Waiting for the Revolution

May 24, 2013

An interview with the Nobel Prize-winner David J. Gross on the confusing state of theoretical physics.

LHC tunnel

As Supersymmetry Fails Tests, Physicists Seek New Ideas

November 20, 2012

As the elegant theory of supersymmetry continues to fail experimental tests, physicists debate whether to change course and what the future holds for particle physics.