President Gustavo Petro is locked in a war of words with President Trump over Colombia’s major role in the global drug trade.

Last month, I compared systems in the U.S. and India. This month, my attention is on Colombia, a country whose breathtaking geography, social dynamics and history shape the school commute in ways that ...

Highways are usually built to connect places, but in some parts of the world, they do far more than that: they challenge ...

Two brothers, both mechanical engineers, are climbing many of the world’s tall peaks to prove they have been measured ...

In its largest edition yet, the biennial frames art as an “arboreal metaphor” for exchange, resistance and resilience ...

Five global tinderboxes are ready to blow, fragile regions where the newer attack methods of cyber, information and influence ...

From barren deserts to frozen tundra, the world's longest highways span entire continents, bridging cities, nations, and ...

Earth's seasons look very different at locations not far from each other, 20 years' worth of satellite data reveals. Earth's seasonal cycles can vary dramatically across short distances, even at the ...

Scientists at the University of California, Berkeley, have watched our planet's seasons from space and discovered that spring ...

Satellite data shows Earth’s seasons do not follow the same timing worldwide. A new study maps how local ecosystems experience spring, summer, autumn, and winter differently ...

Six global tinderboxes are ready to blow, fragile regions where the newer attack methods of cyber, information and influence ...

Gilligan made good on his promise to himself. The resulting show, Pluribus, really is a wholly unique take on the sci-fi ...