Mars has never looked more like a planet built for hiding secrets. A cluster of eight vast, water-carved caves appears almost engineered to shield fragile chemistry, or even biology, from the brutal ...

A cave explorer in Mexico recently made an unexpected discovery deep underground. What she first thought was modern trash ...

Paleontologists have discovered the first known fossilized bee nests built inside ancient bones, uncovered in a cave that ...

Just when we thought we had described all the possible marine environmental recipients of plastic pollution, new research comes in to overturn the picture.