Links to reports from the Associated Press, National Public Radio, and Reuters on the same discovery of events in outer space; other, unrelated, reports are accessible by clicking on their names or initials below. — MCM

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Scientists have finally ‘heard’ the chorus of gravitational waves that ripple through the universe, by Maddie Burakoff | AP  NEW YORK — Scientists have observed for the first time the faint ripples caused by the motion of black holes that are gently stretching and squeezing everything in the universe. They reported Wednesday that they were able to “hear” . . . READ MORE . . .

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Scientists have found signs of a new kind of gravitational wave. It’s really big. Reported by Nell Greenfieldboyce | NPR  Scientists say they are starting to find signs of an elusive type of rumbling through space that could be created by the biggest, baddest black holes in the universe. The discovery means that astrophysicists may have opened a whole new window onto supermassive black holes. These mysterious, extremely dense objects, millions to billions of times more massive than the sun, sit at . . . Click HERE to read more or listen to report on “Morning Edition.”

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Scientists discover cosmic background ‘hum’ from giant gravitational waves, by Will Dunham | Reuters. Scientists on Wednesday unveiled evidence that gravitational waves, the ripples in the fabric of space-time predicted by Albert Einstein more than a century ago, are permeating the universe at low frequencies – creating a cosmic background hum. The . . . READ MORE . . .