A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air ...

SAN DIEGO (Border ... in Tijuana is on track to be finished next month, potentially increasing the number of freight trains entering the U.S. from Baja California. A company called Admicarga oversees ...

More than 135,000 weapons were illegally trafficked across the border to Mexico in 2022. Gun laws help stem the tide.

Her attorney says he has been advising non-citizens to avoid leaving the U.S., as he believes there is a growing risk they may not be allowed to return.

Border agents in the Tucson sector encountered 227 Venezuelans between ports of entry last month, compared with 18,000 people from Mexico, according to U.S. Customs and Border Protection data.