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Campaign spending is confusing, but there are basic rules to help you understand information about money in elections. They can help you determine what is corruption and what is just regular politics.

Trump waded intro controversial territory with his comments in Ireland.

Pittsburgh helped pioneer the polio vaccine. Now, as measles cases rise across Pennsylvania, an epidemiologist explains the disease and the vaccine that prevents it.

The Italian leader has positioned Italy as a geopolitical hinge between competing power centers. The Middle East has just given that strategy a new environment.

Universities and colleges won't necessarily pay students to sleep. But they can offer other incentives that encourage them to close their eyes earlier.

While science journalism layoffs pile up and publications shutter, more science communication than ever is available via other online venues.

The nation's first successful circulating library was established almost 300 years ago by Benjamin Franklin in Philadelphia.

Job preparation through internships matters more than ever for young people amid a precarious and fast-changing job market.

In tests, some AI systems resisted being shut down. But an instinct to stay "alive" isn't the reason they behaved that way.

As dengue spreads further outside its normal tropical zones, doctors and patients need to know what to watch for.