Sapphires are among the most precious gems, yet they consist solely of chemically 'contaminated' aluminum oxide, or corundum. It is widely assumed that these crystals with their characteristically ...

Scientists pieced together the history of a huge Pacific plateau and found a complicated story. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Scientists have discovered that shear forces inside rising magma can create gas bubbles long before pressure drops occur. The ...

While volcanoes have brought profound changes to landscapes here on Earth, volcanic activity on other planets and moons has followed a different path. It's easy to imagine space volcanoes as even more ...

Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered ...

In a new study, researchers show that gas bubbles can form in the rising magma not only due to a drop in pressure but also due to shear forces. If these gas bubbles grow in the volcanic vent early on ...

Kilauea is in a unique phase of activity in Halema‘uma‘u, with 12 episodes of dual lava fountains since Dec. 23, 2024. Several past eruptions have been characterized by similar lava fountaining ...

Scientists say they've discovered a 400-mile chain of extinct and fossilized volcanoes beneath southern China. The volcanoes, the researchers claim, were likely formed when two major tectonic plates ...

A scientist was driving through the park when he saw smoke. While most visitors associate it with roaming bison and the psychedelic colors of Grand Prismatic Spring, the majority of Yellowstone ...

NASA Apollo 17 astronaut Eugene Cernan drives a moon buggy at the lunar Taurus-Littrow Valley landing site in 1972. No one expected these glittering bits among the gray lunar dust back then. The beads ...