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 ...

Student Jacqueline Heggen showing off glowing formations within Wind Cave. (Joshua Sebree via SWNS) By Stephen Beech Fluorescent caves deep below America show how alien life could exist on one of ...

California is a great place for spelunking -- aka exploring caves. While you might think one cave is like another, each one ...

So, let’s say the worst happens, and Earth gets invaded by aliens. Not the friendly kind offering galactic peace treaties, but the laser-zapping kind. Surprisingly, survival goes beyond just weapons ...

Mars, the Red Planet, has long captured our imagination as a possible home for life. Recently, a team of scientists uncovered a groundbreaking discovery: caves on Mars formed by water, potentially ...

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 ...