Tonga eruption’s towering plume reached the third layer of Earth’s atmosphere

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN — When the Hunga Tonga-Hunga Ha’apai volcano erupted underwater in January, it created a plume of ash and water that broke through the third layer of Earth’s atmosphere. It was the highest-recorded volcanic plume … Read more

Diving deeper into the world’s oceans than ever before

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN — Black smoke appears to rise from chimney-like formations of the hottest and deepest known hydrothermal vents on Earth. Over the summer, Anna Michel was able to see them for herself—a few miles beneath … Read more