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theoretical physics
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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.
Is Nature Unnatural?
Decades of confounding experiments have physicists considering a startling possibility: The universe might not make sense.
Waiting for the Revolution
An interview with the Nobel Prize-winner David J. Gross on the confusing state of theoretical 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.