The decision could affect thousands of asylum seekers fleeing violence, particularly from Central America.
The new measure is intended to reduce costs and accelerate proceedings, but even immigration judges are questioning it.
In 1994, attorney Susan Gzesh wrote in a report that Mexico was not a safe third country. Has anything changed?
Trump will meet with Guatemala's president next week, and a "safe third country" agreement is reportedly on the table.
New arrest numbers highlight the difficulties experts encounter in interpreting migration patterns.
Officials say the new plan is built to address backlog issues. But advocates say it will result in fewer people getting asylum.
The "Remain in Mexico" plan promised humanitarian visas and work permits. But asylum seekers are being sent back to dangerous living conditions.
The international idea of who counts as a refugee is over half a century old. But today the lines between "refugee," "migrant," and "illegal border crosser" have all begun to blur.
Slashing aid is counterproductive because foreign assistance can address the root causes of migration, such as violence and poverty, argues one expert.
We've collected highlights from our coverage of displaced people around the world.
A protester holds a sign during a demonstration outside of the James R. Browning United States Courthouse on June 11th, 2019, in San Francisco, California.
A former Obama administration official says that canceling classes hurts children's mental health and could also make it harder to catch physical health issues.
Panchito Olachea crossed the border into the U.S. at 16, and was deported at 48. He's now building a community of deportees who, like him, won't try to cross back.
The Trump team is working on a "safe third country" agreement with Mexico, which would make migrants who travel through Mexico ineligible for asylum in the United States.
U.S. Citizenship and Immigration Services says everything is available online. How did such a major misunderstanding happen?