Mysterious micro-burrows in desert marble and limestone were probably made by microbes that lived millions of years ago. Exactly what kind of microbes bored into the rock remains unknown, as does ...

Caves in South Dakota unexpectedly glow pink and blue under black light and could serve as proxies for conditions on icy ...

From its dark brown wooden cabinets to its black and green speckled granite countertops to its dark marbled flooring, you ...

Mysterious tunnels in desert rocks may be the work of unknown microbes, hinting at a hidden world inside marble and limestone ...