Earth not only does not support diverse ecosystems, but it also has places that serve as analogs for other celestial worlds in our solar system. Astrobiologist Joshua Sebree of the University of ...

If you’ve ever been on a cave tour where the guide shines a black light, you’ve seen the walls and formations glow. The stunning fluorescence is often the result of impurities trapped in calcite rocks ...

When cave biologist Hazel Barton ventured into the pitch darkness, the last thing she expected to find were organisms harnessing energy from light. This new understanding of photosynthesis in the dark ...

With its long wavelength, near-infrared light is hardy enough to survive the limestone surroundings in the cavern: “The ...

Scientists say aliens are not hiding in Area 51. Experts believe life may exist on distant planets with water and the right ...

Looking for an adventure that’s cool (literally) and completely out of the ordinary? The United States is home to some of the world’s most fascinating cave systems, each with its own story carved by ...

When the summer sun is blazing, there’s no better way to cool off than by heading underground. Caves offer a naturally air-conditioned escape, along with a chance to explore some of the Earth’s most ...