Both can cause widespread human and ecological devastation. But picking a winner in a destruction derby is a tough call.
If you're not feeling the heat in Brazil, maybe it's time to weigh in on a more explosive competition.
Four-billion-year-old sample suggests modern-day Iceland is our best bet for an example of how Earth's continents first formed.
The coldest place on Earth is also one of the rare spots where a roiling lava lake offers a window into the heart of a volcano.
There's no bubbling pool of lava under the world's liveliest volcanoes, but rather magma in cold storage, waiting for a splash of heat to wake up.
Iceland is leading the way when it comes to using magma as an alternative source of fuel. Trace explains how this new power plant is changing how we heat our homes in hopes for a more sustainable future.
Electrical light shows known as earthquake lights may occur at rifts, or nearly vertical faults in the Earth's crust, new research suggests.
Few phenomena can compete with the raw beauty and devastating power of a raging thunderstorm, save for a particularly violent volcanic eruption.
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