Water is essential for life, but much of it remains hidden beneath the Earth’s surface in the form of invisible underground ...

Discover how the Dead Sea, Earth's lowest and saltiest lake, continues to build massive underground salt formations.

Many visitors expect to see stalactites and stalagmites galore in Mammoth Cave but are surprised when they don't see many of ...

The Dead Sea is a confluence of extraordinary conditions: the lowest point on Earth's land surface, with one of the world's ...

Home to remarkable rock formations, unpolluted night skies, and heaps of fossils, this underrated slice of New Mexico feels ...

Earth’s continents may look fixed on a globe, but they’ve been drifting, splitting and reforming over billions of years – and ...

When the snow melts and the wildflowers bloom, this high-elevation wonderland transforms into a basecamp for warm-weather ...

Norway-based oil and gas company Vår Energi, along with its partners, has announced a significant gas/condensate discovery in ...

Favignana, off the west coast of Sicily, is known for its stone quarries, clear waters and fabled fish. A writer explores by ...

Is Arizona's most beautiful place an iconic red rock butte, a blue-green waterfall or an otherworldly cave formation? Vote in our stunning views poll.

Smart planning can unlock incredible experiences without money stress. Here are bucket list vacations for people who finally ...

Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...