The enormous astronomical discovery that proved Einstein right, explained

Confused about gravitational waves and what makes them so important? We're here to help...

An artist's interpretation of gravitational waves
(Image credit: R. Hurt / Caltech-JPL)

Last week, American physicists made a really, really big announcement: the discovery of gravitational waves. This find — a billion years in the making — confirms what Albert Einstein theorized a century ago in his general theory of relativity. Stephen Hawking said the discovery could "revolutionize astronomy," and the news media trumpeted the discovery as potentially shaping our very understanding of the universe we live in.

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Lindsey Kratochwill

Lindsey Kratochwill is a digital production assistant at TheWeek.com where she edits podcasts and videos. She also co-hosts a podcast for Popular Science and has written for Popular Science, Fast Company, and The Guardian, among other publications. She's an unapologetic science nerd and an apologetic Floridian.