This is an artistic rendering of spacetime being warped by the mass of a galaxy. | Corbis

What You Need to Know About Gravitational Waves

What are they? Why are they important? Why should we care?

February 10, 2016
8:00 PM EST
This artist's rendering shows two closely-orbiting white dwarf stars generating a spiral of gravitational waves. | NASA
This is an aerial photograph of the LIGO Livingston Observatory in Louisiana. | LIGO Science Collaboration
This photograph shows a LIGO engineer working on the interferometer's optics system. | LIGO Science Collaboration
Albert Einstein smokes a pipe as as he sits writing in a comfortable chair in his Princeton study in 1940. | Corbis


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