What does an ancient lava tube in the ... through and around obstacles. Of course, Earth isn't the only planet in our solar system with lava tubes. Space is dangerous. Without Earth's protective ...

What does an ancient lava tube in the Canary Islands have in ... Space is dangerous. Without Earth's protective magnetic field, solar and cosmic radiation pose life-threatening danger to human ...

Lava around the world may come from the same ... it is," said Matthijs Smit, an Earth scientist at the University of British Columbia. Structures observed inside the deep mantle may thus not ...