Hawaii braces for major hurricane

Residents of Hawaii on Wednesday braced for a powerful hurricane bearing down on the US state, with warnings issued in several counties in the island chain.

US cyberthreat at 'critical point': US intelligence chief

The threat of cyberattacks against the US is at a "critical point," the country's intelligence chief has warned, branding Russia the most "aggressive foreign actor" ahead of President Donald Trump's meeting with Vladimir ...

Coral study reveals surprising twist

A new study puts a surprising twist—one might even say a double spiral—into our understanding of how coral reefs react to ocean warming and acidification. It also offers the possibility of an early warning system for ...

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