Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here ...

Ever seen a place that looks like another planet? Welcome to the Danakil Depression, one of the hottest, driest, and most ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

Rising levels of CO2 in the atmosphere may trigger a series of geological and biological processes that could ensure the next ...

For billions of years, Earth's continents have remained remarkably stable, forming the foundation for mountains, ecosystems ...

Wildflowers are blooming in the Atacama Desert, an inhospitable stretch of land west of the Andes Mountains that normally ...

Mountains rise, continents merge and split, and earthquakes shake the ground. All of these processes result from plate tectonics, the movement of enormous chunks of Earth's crust. This movement may be ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

The Norwegian archipelago has warmed by 4°C over the past 30 years. Landslides and thawing permafrost threaten the population ...

We’re watching something we’ve never seen before,” Dave Roberts said. Here are seven reasons this was the single greatest ...

The global die-off of coral reefs signals a critical shift in Earth’s climate system with global environmental consequences along with economic ones.

In 2010, the world woke up to its dependence on rare earth elements (REEs). The trigger was a geopolitical flashpoint -- ...