SMRTR Science & EngineeringMar 5, 2026Scientific American

Newly discovered ripples in spacetime put Einstein’s general relativity to the test

SMRTR summary

Scientists have released a new catalog of gravitational waves that more than doubles the known detections of these spacetime ripples created when black holes and neutron stars collide. The expanded dataset reveals a universe filled with cosmic crashes and shows a greater variety of black holes, including some that are lopsided and others spinning incredibly fast. These observations allow researchers to test Einstein's general theory of relativity with unprecedented precision, potentially revealing what lies beyond current understanding of gravity.

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