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Gabi Laske, a geophysicist at the University of California-San Diego led one of the first projects to map the deep plumbing that feeds the Hawaiian Islands’ volcanoes and explains where lava comes from.

Here’s what we know about retail mass shooters.

Cecilia “Cissy” Suyat Marshall was born in Hawaii in 1928.

A look at the psychological roots of common superstitions.

At the state and local level, young candidates who ran campaigns centered on gun violence prevention were elected.

Test your knowledge of national and international news events with The Conversation’s weekly quiz.

Ballot measures to legalize recreational marijuana were successful in Maryland and Missouri but defeated in Arkansas, North Dakota and South Dakota.

Historic data from similar initiatives has contributed to global marine heat wave forecasts and helped identify drivers behind long-term droughts in Hawaii.