What if all the Earth's land became ocean, and all the oceans became land? And what if our mountains turned into deep ...

The Himalayas shape our planet's climate in ways that reach far beyond their towering peaks. These magnificent mountains ...

Discover Earth’s unique features—water, atmosphere, magnetic field, life-supporting climate, and 10 key facts about our home planet. Learn what makes Earth truly special.

If you are into planets and also like to get up pre-dawn (much easier in the Northern hemisphere now that it is winter here), ...

New research reveals that ancient Mars once hosted vast river drainage systems comparable in scale to some of Earth’s major ...

Earth signs—Taurus, Virgo, and Capricorn—are grounded, sensual, and appreciative of structure, beauty, and quality. Their ...

Badwater Basin sits at −282 feet, the lowest point in North America, in the depths of Death Valley, California. The serene ...

Scientists fear warming is driving a collapse in the ocean currents that shape climate far and wide. The ice-choked waters ...

New drilling results from the South Atlantic have uncovered ancient lava rubble that stores far more CO2 than expected, ...

Explore unique Dead Sea facts, healing minerals, buoyancy, history, and natural wonders of this iconic salt lake.

Billions of years ago, it rained on Mars. The water collected in valleys and rivers, filled and spilled over the rims of craters, and was funneled into canyons, perhaps even making its way to a large ...

Weathered rocks sitting above the ice hold iron concentrations up to ten times higher than earlier reports from elsewhere in ...