As Republicans take power, they’re trying to figure out what happens when Donald Trump changes his mind on legislative ...

At a time when North American bird populations are declining dramatically, the number of people watching them is increasing.

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes plunges south into the U.S., Europe ...

It can be easier when a landmark or body of water is within a country’s boundaries. In 2015, then-President Barack Obama ...