Mercury is our solar system’s smallest planet, and it is determined to get smaller. It’s already about one-third the width of the Earth, and, according to a new study published in Geophysical Research ...

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In a Mercury flyby in 2024, the European Space Agency's BepiColombo spacecraft captures the solar system's innermost planet. Credit: ESA / JAXA / BepiColombo / MTM The solar system's smallest planet ...

New estimates using the planet’s surface wrinkles show that our smallest planet is growing even smaller, at a faster clip than expected. By K. R. Callaway Mercury is, by far, the smallest planet in ...

Scientists have discovered that Mercury’s surface contains far less silicon dioxide than previously thought, pointing to an unexpectedly hot volcanic past. The finding suggests ancient lava may have ...

A new study shows that little, wrinkly Mercury may be shrinking faster than expected, the cosmos’ version of a grape shriveling into a raisin under the sun. Scientists from the German Aerospace Center ...

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Everyone gets wrinkles eventually—even planets. On Mercury, these signs of aging look like hills and ridges, called shortening structures, across its surface. As the planet shrinks and contracts over ...

Telltale wrinkles that cover Mercury, the closest planet to the sun, suggest it was once a larger world that has shrunk in size — and it may be shrinking more than scientists realized. The smallest ...

After an eight-year journey, a spacecraft carrying European and Japanese probes began the monthslong, high-risk approach to Mercury on Thursday to study the sun-scorched planet. The BepiColombo ...

The BepiColombo mission cleared a major milestone this week in the final stretch of an eight-year interplanetary voyage to Mercury, the hard-to-reach, scorching hot iron world at the Solar System’s ...

Two Mercury-bound spacecraft left their mother ship behind on Thursday and headed down the home stretch of their nearly decadelong voyage to the solar system's smallest and closest-to-the-sun planet.