. Witnesses report spheres ranging from a few centimeters to several meters across, often emitting a sulfur-like odor and occasionally causing serious damage. Unlike ordinary lightning, these orbs can ...

Inside a thunderstorm, warm air is forced upward in a strong updraft. As the air rises, ice and water particles collide inside the cloud, creating electrical charges. Those collisions build up ...

A big storm is approaching... The sky turns dark, thunder rumbles, and suddenly: a bolt of lightning splits the sky, followed by a deafening noise. That's lightning. But what exactly is it? And how ...

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The crater of Mount Ruang flamed with lava against a backdrop of lightning bolts overnight after erupting five times - Copyright AFP/File Kena Betancur The crater of ...