Two perplexing structures deep inside Earth might be ancient remnants of our early planet, and they could hold clues about ...

A FIERY hell-world that would instantly roast visitors alive has a vast lava ocean – and may be packed with rare gems. The ...

A new study explains why even gas-rich, supposedly explosive volcanoes sometimes erupt quietly instead of blowing apart.

Discover why volcanoes erupt, how magma and gases cause eruptions and why volcanoes are essential for life on Earth.

From major volcanic eruptions, to supercharged earthquakes to dedaly wildfires and floods, Earth's systems are going through ...

Sometimes, a hole in the ground is just a hole. Other times, it’s a portal to an underground cave spanning miles in width and length. You don’t really know what’s inside unless you dive into the void.

Contrary to popular belief, it’s not the big-name volcanoes like Yellowstone and Mount Etna in Sicily that pose the greatest ...

Volcanoes, with their sheer power and captivating beauty, have mesmerized the human imagination for centuries. These ...

Atoms found deep inside our planet argue that parts of “proto-Earth,” the early version of our planet, still survive inside the mantle.

The next global volcanic disaster is more likely to come from volcanoes that appear dormant and are barely monitored than ...

If Earth had an evil twin, it might look something like the recently-discovered lava-Earth HD 63433d. HD 63433d is a rocky world almost exactly the same size as our Earth, orbiting a star almost ...

Sixty-million-year-old rock samples from deep under the ocean have revealed how huge amounts of carbon dioxide are stored for ...