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theoretical physics

cosmology

Lopsided Map Offers Clues to Big Bang

Theoretical cosmologists are piecing together a cosmic origin story from a surprising anomaly in the recently released Planck satellite image.

theoretical physics

Is Nature Unnatural?

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

Q&A

Waiting for the Revolution

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

Physics

Alice and Bob Meet the Wall of Fire

If a new hypothesis about black hole firewalls proves correct, at least one of three cherished notions in theoretical physics must be wrong.