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

An immense volcanic ash cloud from Ethiopia's Hayli Gubbi eruption is heading towards India, potentially causing hazy skies ...

Volcanic ash cloud from Ethiopia's Hayli Gubbi volcano is rapidly drifting towards India, affecting western and northwestern ...

Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles ...

A large formation of granite discovered below the lunar surface likely was formed from the cooling of molten lava that fed a volcano or volcanoes that erupted early in the Moon's history -- as long as ...

The sudden awakening of a volcano that had been quiet for roughly 12,000 years has transformed a remote corner of Ethiopia ...

The physics of java and lava are actually quite similar, at least when it comes to bubbles, according to a surprising study.

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was ...

TOKYOTOKYO — An undersea volcano erupted off Japan three weeks ago, providing a rare view of the birth of a tiny new island, but experts say it may not last very long. The unnamed undersea volcano, ...