Science

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Matt Cardy / Getty Images file

Environment

Boaty McBoatface makes significant climate change discovery on maiden mission

Space

NASA to launch tiny satellites to study 'bubbles' in upper atmosphere

Mahesh Kumar A. / AP file

Environment

World's population could swell to 10.9 billion by 2100, U.N. report finds

Jun Cen / for NBC News

Environment

Without swift action on climate change, heat waves could kill thousands in U.S. cities