Between her and San Francisco lay more than 1,000 miles of road and lonely mountain trail. Fortunately ... By the time the horsewoman rode into San Francisco on a rainy evening in November, she had ...

The Adirondack Mountains in Upstate New York are blanketed with six million acres of forestland surrounding rocky mountain ...

The United States, often celebrated for its vastness and diversity, is a land of remarkable contrasts and hidden gems that make it a treasure trove for exotic destinations. From rugged plateaus to ...

To get to the Death Mountain Dark World Treasure Cave, first go to Death Mountain in the Light World. Head up the long ladder on the west side and head east to ...

Ban Tham Cave in Son La is the only mountain tunnel road in Northwest Vietnam, offering a thrilling off-road experience through a dark, rocky passage. A must-visit for adventure seekers! Ban Tham Cave ...

For the past several hours I’ve struggled to keep up as she leads me deeper into a frozen underworld known as Dark Star ... mile inside the mountain, the temperature of the cave is no higher ...

Evidence suggests that we are suspended in a cosmic sea of dark matter, a mysterious substance that shapes galaxies and large structures in the universe but is transparent to photons, the carriers ...

Deep inside a labyrinthine cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses, mammoths and rhinoceros into the walls, a fabulous prehistoric menagerie ...

Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the universe hangs in the balance. The force is enormous — it makes up nearly 70 ...

Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing over time, according to new observations released Wednesday. If dark ...

Some scientists think so, but others have challenged the claim that so-called "dark oxygen" is being produced in the lightless abyss of the seabed. The discovery -- detailed last July in the ...