An ancient Martian system of canyons and valleys could be home to archaic life forms, a ground-breaking scientific paper has found. Scientists investigating the Red Planet’s mind-boggling cave system ...

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

Deep inside a massive cave plunging more than 500 feet below the surface, explorers made an unexpected discovery. Ancient ...