As the name implies, this dramatic black sand beach is relatively new, formed by the lava flow from the Kilauea volcano in 1990. The volcanic eruption buried the former Kaimu Beach under 50 to 75 ...

black sand beaches originate from volcanic materials. When volcanoes erupt, they release lava, which eventually cools and hardens into igneous rock. Over time, the relentless forces of waves ...

Crescent-shaped and framed by palm trees, Kauna'oa Bay, on Hawaii's Big Island, is the epitome of a white-sand beach. It's one of the few light-colored stretches (instead of black from lava or ...

This beach isn't just visually stunning; it's also a resting spot for endangered green sea turtles, which often bask on the warm sand. The sand itself is made of basalt from lava that cooled ...

This beach in southern Hawai'i (specifically Ka'u) is ideal for its picture-taking potential. For one thing, the onyx-tinted sand here owes its unique hue to the ongoing volcanic activity of ...

is nicknamed Green Sand Beach. The green sands come from olivine crystals from surrounding lava rocks in the Pu'u Mahana cinder cone of Mahana Bay. Thanks to a high iron content in its sands ...

New research provides the clearest evidence yet that Mars once contained a significant body of water and a more habitable environment for life.