Families separated by government policies gathered on both sides of the U.S.-Mexico border to protest after Hugs Not Walls ...

Some endangered species are legally protected in one country but illegally poached ... to hurt animals who exist on both sides of a border fence. That's not to say borders don't also benefit ...

In Nogales, no one needed a border fence. The wide boulevard Calle Internacional-International Street was enough -- until it wasn’t. The first fence between the countries was actually built in ...

The US border fence with Mexico is seen from Santa Cruz ... But neither measure directly prevented migrants from coming to the country, and both were challenged in court.

The study identified 20,000 miles of borders fortified with fences and walls, which can cause habitats to fragment and create injuries from entanglement, genetic bottlenecks and blocked migration ...