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Viruses can hit people in different ways, with symptoms ranging from minimal to severe. A doctor wanted to know if that was true for Ebola as well.

Pipelines are center stage in a fight over the nation's energy future, concerns about climate change and private property rights. Donald Trump's election means the battles are likely to continue.

Twitter has long faced criticism for its inability to curb harassment and threatening posts. It's now expanding options to flag abuse or avoid seeing offensive posts.

Some Massachusetts opioid users are so desperate to quit the drug habit that they are asking judges to lock them up and require treatment. Critics question whether courts should play this role.

The GOP leadership elections are a show of unity heading into the new year where Republicans will control both the legislative and executive branches.

It's billed as the "largest movable land-based structure ever built," and it is an important step toward ultimately dismantling the reactor. The 1986 blast was the world's worst nuclear disaster.

The billion-dollar museum is set to open near Giza's pyramids next year. The highlight: King Tut. But amid a financial crisis and drop in tourism, who will come?

The federal government spends more than $30 billion a year to fund the National Institutes of Health. How will a new administration affect academic research? What about pharmaceutical research?

Mining once boomed in Mongolia but as commodity prices fell, the economy tanked and companies went bankrupt. Unemployed men are taking over abandoned coal mines to extract what's left. Some have died.

When the volcano started rumbling, North Korean researchers realized they didn't have the tools to predict if it might erupt. So they reached out to Western scientists for help.