Seeing a pine pollen cone, oak catkin or sower gall once each year is enough to continue to marvel at their beauty, unique ...

Volcanic eruptions range in magnitude from steady lava flows ... It's been claimed that the Young Toba Tuff super eruption 74,000 years ago was so great that it might have altered the course of human ...

Carved primarily from volcanic tuff with hand tools, the statues were transported somehow to positions on stone platforms. What was their purpose? How did people move the monoliths? Easter ...

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat levels.

The tunnelling had to be adapted for varying geological conditions—from basalt rock to volcanic tuff and shale—with constant challenges from groundwater ingress, especially near the coast.

Its massive volcanic hills and cones add to its unique aesthetic appeal. SPA has captured stunning images of these volcanic formations, which have remarkably retained their original form over time.

Built into volcanic tuff, the city extends over 250 feet deep and includes food storage rooms, chapels, livestock stables, and even a ventilation system with 16,000 shafts. Strategically designed ...