They climb atop piles of rubber tires or tiptoe on dirt mounds for a peek over the 7-foot border fence into the testing ... have different designs. The wall, according to the most recent proposed ...

Border Patrol roads cut mazelike designs into hillsides ... The 19-page document does not once mention the words "wall" or "fence." To the extent that migrant and drug crossings have dwindled ...

Migration pathways for animals will be further fragmented by the new additions to the wall along the U.S.-Mexico border.

What types of fence are on the border today? So-called "pedestrian fences" are meant to stop people from getting through. There are three main designs: 1. Landing mat fences are built from ...

Finland has completed the first 35 km (22 miles) of a 4.5-metre (15-ft) high fence it is building on its closed eastern ...

The former president did build about 500 miles of wall—which is actually a 30-foot fence—across the 2,000-mile southern border. But most of that either replaced sections of existing border ...

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 ...