After finding the second-largest blue hole in the world in Mexico,
which might offer a window into life on other planets, researchers astounded the scientific community.
Despite being discovered in 2021, the enormous sapphire sinkhole was only recently...
...described in the academic journal Frontiers In Marine Science.The researchers, who were connected to El Colegio de la Frontera Sur (Ecosur),
a public research institute, claim that it is probably "the deepest known blue hole in the region."
According to Discovery.com, blue holes, also called karst formations in science,
are actually vertical marine caves that were sculpted over thousands of years by glacial runoff during the Ice Age.
These vast aquatic formations can span an equivalent or greater distance across and frequently extend hundreds of feet below the surface.