The subway train derailment occurred on Line 12 at Olivos Station in Mexico City. Photos from the scene show two train cars dangling precariously from the elevated track.

A diplomatic row has frozen U.S.-Mexican efforts to target drug cartels. American officials say illicit fentanyl from labs in Mexico is driving a surge in overdose deaths.

Some Mexicans with family ties or dual citizenship in the U.S., or who can afford the airfare, head north of the border to get vaccinated faster than the months of waiting for one back home.

One bar in Mexico decided to start a website recreating some of those sounds at your favorite bar for those confined at home. It was an idea that took off around the world.

The United States will loan millions of doses of the AstraZeneca vaccine — not yet approved for emergency U.S. use — to its closest neighbors.

The population of monarch butterflies that migrated south to Mexico to hibernate fell 26% in 2020 compared with the previous year, according to a new report.

Texas Gov. Greg Abbott deployed the Texas National Guard to move people without heat and power into shelters.

President Biden has called his predecessor's "Remain in Mexico" program for asylum-seekers "inhumane." Next week, a new program begins, but details are still being worked out.

Over just 10 days in November, Gemina Garland-Lewis photographed 42 bird species with her partner on their land in Mexico. It wasn't until recently, she writes, that birds made her "tick."

Retired Gen. Salvador Cienfuegos was arrested in October at Los Angeles International Airport by U.S. law enforcement, outraging Mexican officials who demanded and obtained his extradition.

U.S. tourists aren't welcome in most countries because of the surging coronavirus. But Mexico lets them in, with no quarantine or test requirements.

The Russian leader contacted U.S. President-elect Joe Biden after the Electoral College affirmed his victory. Putin was one of the last major world leaders to do so.

The milestone comes just two days after the country reported one million confirmed coronavirus infections. Mexico is only the fourth country to surpass 100,000 COVID-19 deaths.

Salvador Cienfuego Zepeda was arrested last month at Los Angeles International Airport. He is now free to return home to Mexico though his prosecution there is far from certain.

Salvador Cienfuegos Zepeda was accused of working on behalf of one of Mexico's deadliest cartels. On Tuesday, Attorney General Barr said the former general will be investigated by Mexican authorities.