Mercury - The Tiny Planet That's Been Baffling Scientists Everywhere

Mercury doesn't give up its secrets easily. The smallest planet in our Solar System is also one of the most extreme, a sun-scorched, metal-rich world with a puzzling magnetic field and lavas unlike anything found on Earth. Now, groundbreaking laboratory experiments are finally beginning to unlock these mysteries, revealing how this planetary oddball could hold the key to understanding rocky planets throughout the universe.

Jun 24, 2025 - 14:10
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Mercury - The Tiny Planet That's Been Baffling Scientists Everywhere

This enhanced, colour image of Mercury reveals the planet’s complex surface geology, from the Messenger probe.

Mercury doesn't give up its secrets easily. The smallest planet in our Solar System is also one of the most extreme, a sun-scorched, metal-rich world with a puzzling magnetic field and lavas unlike anything found on Earth. Now, groundbreaking laboratory experiments are finally beginning to unlock these mysteries, revealing how this planetary oddball could hold the key to understanding rocky planets throughout the universe.