National Geographic Explorers celebrate the greatest American treasures—mountains, forests, wetlands and canyons—from sea to shining sea. The Grand Canyon has featured in the history of America's ...

"A river rises in mountains and dies in sand and in its dying gives birth to a jewel at the edge of the Kalahari: the Okavango Delta." So described this African landscape by famed nature photographer ...

Here is why Ohioans and Michiganders have a long history of hating each other. This is the second episode of a series with ...

One of the events that left the deepest, most enduring spatial and psychological legacy scars on the African continent was ...

The closure of the Strait of Hormuz in the US-Iran war has brought home how vital maritime trading routes are to a country ...

Belarusian President Alexander Lukashenko, whom Kyiv has pressed to cut military ties with Moscow and Western powers have ...

India is deploying a 52-satellite constellation for enhanced surveillance. This program aims to bolster national security and ...

Unable to return home, some Lebanese displaced by Israel's invasion of southern Lebanon are buying satellite images to see ...

Welcome to The Hill’s Defense & NatSec newsletter{beacon} Defense &National Security Defense &National Security   The Big ...

As the battle for dinosaur bones heightens, paleontologists, collectors and auction houses navigate a Wild West market.

The Department of Homeland Security's $1.5 billion purchase of the Otay Mesa Detention Center and the California City ...

The world’s primary refugee treaty is being destabilized by expansive judicial interpretations and by leaders unwilling to ...