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New Mystery Merger Detected by LIGO-Virgo

Image Credit: LIGO/Caltech/MIT/R. Hurt (IPAC) In August of 2019, the LIGO-Virgo gravitational-wave network witnessed the merger of a black hole with 23 times the...

Using Gravitational Waves to Approximate Pi

Image Credit: Igor Sokalski Getty Images At least 3,700 years ago, Babylonian mathematicians approximated the ratio of a circle’s circumference to its diameter. They...

The Sky is No Limit

New remote observatory compresses distances to connect Evanston and Hawaii, allowing Northwestern researchers to venture boldly into space without leaving home “Northwestern astronomers have...