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Physicists have discovered a jewel-shaped geometric object that challenges the notion that space and time are fundamental constituents of nature.
Theoretical cosmologists are piecing together a cosmic origin story from a surprising anomaly in the recently released Planck satellite image.
Decades of confounding experiments have physicists considering a startling possibility: The universe might not make sense.
An interview with the Nobel Prize-winner David J. Gross on the confusing state of theoretical physics.
If a new hypothesis about black hole firewalls proves correct, at least one of three cherished notions in theoretical physics must be wrong.
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