There's no conclusive evidence, but a river reputed by some to be the oldest in the world dates back 340 million years.

Mexican President Claudia Sheinbaum says her government is not ruling out filing a civil lawsuit against Google if it ...

Bristling at the name change on maps to Gulf of America following Donald Trump's executive order, Mexico says it might sue ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

Boundaries and Borderlands” lecture Feb. 5, marking the third installment this year in the department’s public lecture series ...