What's up in

particle physics

theoretical physics

Is Nature Unnatural?

May 24, 2013

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

Q&A

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
supersymmetry

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.