With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke ...

Common projections shrink the size of Africa, but experts have long debated whether creating a precise map is possible.

Each state's GDP compares to that of another country in the world.

Seoul: The United States has called for resolution of South Korea's restrictions on beef imports, living modified organisms ...

A nearly 160-year-old constitutional right is under fire from the Trump administration, birthright citizenship. But is the US different from other nations?

Both U.S. neighbors, Canada and Mexico, allow for unrestricted birthright citizenship as well as all but two countries in South America. In the Eastern Hemisphere, Lesotho, Tanzania and Pakistan are ...

Both U.S. neighbors, Canada and Mexico, allow for unrestricted birthright citizenship as well as all but two countries in South America. In the Eastern Hemisphere, Lesotho, Tanzania and Pakistan ...

The US remains the world's richest country with a GDP of $29.18 trillion ... a little more than Canada's $2.24 trillion. This map shows the nearest match for each state. You can mouse over ...

New York, San Francisco and Los Angeles top a list of the 10 wealthiest cities in the U.S., but Texas dominates with three ...

Pine Hollow Arboretum is one of many botanical gardens rethinking their planting strategies as the climate warms. These ...

In the twilight depths of the Gulf of Mexico, about as deep down as a football field is long, U.S. Navy divers carefully snip ...