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Police investigating potential shooting near University of Iowa, campus says
"First responders on scene. Confirmed victims," the university said in an alert.
North Korea test-launches ‘multiple’ ballistic missiles, South Korea says
The launches followed a visit to South Korea by the U.N.'s nuclear watchdog.
The Little Probe That Could: Why Voyager 1 Matters, and Why NASA Just Switched...
This week, NASA announced it had shut down one of that spacecraft's remaining science instruments — not because the mission has failed, but to...
