Ethiopia’s Hayli Gubbi volcano has roared back after millennia, sending ash across regions. Here’s 10 biggest volcanic blasts ...

The power of such eruptions is measured using the Volcanic Explosivity Index (VEI), which is a scale that goes from one to ...

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

Nearly 600 years ago, a massive volcanic eruption sent clouds of sulfurous gas and ash high into the atmosphere. The blast known as the 1458/59 CE event was so huge that it triggered decades of ...

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line. Editor's note: Wow, the northern lights put on a stunning display last night with ...