volcanoes

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Writer Fuel: Radar Satellites Reveal 19,000 Volcanoes on the Ocean Floor

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Pao Pao Seamount in the South Pacific Ocean has been mapped by sonar, while thousands of other seamounts are just now being discovered by satellites. (Image credit: NOAA Office of Ocean Exploration and Research)

High-definition radar satellites have revealed more than 19,000 undersea volcanoes around our planet, providing scientists with the most comprehensive catalog of seamounts ever created. The new compendium, which was published April 6 in the journal Earth and Space Science, could provide a better understanding of ocean currents, plate tectonics and climate change. Prior to this, … Read more

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Writer Fuel: Geologically Speaking, Mars Isn’t As Dead As We Thought

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Olympus Mons, Mars - Deposit Photos

For decades, astronomers assumed that Mars was geodynamically dead — a planet without rumbling earthquakes and erupting volcanoes. Though remnants of towering volcanoes exist on the surface of the Red Planet today, these colossal structures have been dormant for millions of years. With little to no heat firing the planet’s engine, scientists reasoned, Mars became … Read more