Researchers categorize foreshocks for large earthquakes

Seismologists agree that foreshocks are the most widely identified signal of an upcoming mainshock earthquake. But do these foreshock sequences have distinctive characteristics that separate them from aftershock sequences, ...

US intelligence sees fight ahead over water, food

(AP)—Nearly two-thirds of the world's population will live in cities by 2030, with most people middle class, connected by technology, protected by advanced health care and the United States and China perhaps cooperating ...

World nations failing the poorest on energy goals: study

More than 150 million people are gaining access to electricity every year, reducing the ranks of those who live without power, but this is not enough to meet global development goals, according to a report released Wednesday.

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