Hubble identifies unusual wrinkle in expansion rate of the universe

A collection of images from the NASA/ESA Hubble Space Telescope features galaxies that are all hosts to both Cepheid variables and supernovae. (Source: NASA / ESA  / Adam G. Riess (STScI, JHU) via CNN) A collection of images from the NASA/ESA Hubble Space Telescope features galaxies that are all hosts to both Cepheid variables and supernovae. (Source: NASA / ESA / Adam G. Riess (STScI, JHU) via CNN)

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Parade shooting suspect charged with 7 counts of murder

A man charged Tuesday with seven counts of murder after firing off more than 70 rounds at an Independence Day parade in suburban Chicago legally bought five weapons, including the high-powered rifle used in the shooting, despite authorities being called to his home twice in 2019 for threats of violence and suicide, police said.

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