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Summary pending review.

As Japan increasingly relies on foreign workers, it is also grappling with how to integrate new cultures and religions.

The US has fired thousands of hard-to-replace missiles during its war with Iran. We unpack whether its "arsenal of freedom" is perilously low.

The prince's warning comes as wildfires rage in parts of Europe and the UK during a spell of extreme heat.

Each time the Moon covers the Sun during a total solar eclipse — darkening daytime skies and briefly revealing the Sun’s ethereal outer atmosphere, the corona — it presents new opportunities to better understand our star and its influence on Earth. On Wednesday, Aug. 12, as the next total solar ecli...

A private's detention reignites concerns that troops are contributing to the country's security challenges.

As soon as Aleksander Wolszczan confirmed the observation of the first planet outside of our solar system, he immediately reasoned that thousands more would be discovered in the coming decades. On that prediction the astronomer, now 80, was eminently correct, and the trend has expanded to the point...

Lake fly larvae plunge more than 200 meters into Lake Malawi each day to hide from predators, using tiny air sacs to control their depth. A rubber-like material called resilin lets them expand or shrink the sacs by changing their pH. Their toughness challenges a popular explanation for why insects a...