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unsolved mysteries

Yellow partial sphere on a black background. Within the sphere are streaks of brighter yellow and a large black region.
Posted inNews

Magnetic Tangles Drive Solar Wind

by Matthew R. Francis 20 July 202320 July 2023

Energetic collisions between magnetic fields produce gusty solar wind.

A picture of Ireland and Britain taken from space
Posted inNews

The Mysterious Case of Ireland’s Missing Earthquakes

by Elise Cutts 23 June 202323 June 2023

The Emerald Isle has far fewer earthquakes than neighboring Britain. Now scientists think they know why.

An image of a dark brown sphere and its rings is backlit against a black background. The closer rings glow in yellow-orange and are haloed by the dusty ring system in blue-white. Several bright specks are visible.
Posted inNews

Saturn’s Shiny Rings May Be Pretty Young

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 9 June 20239 June 2023

The rings are fairly shiny despite being bombarded by dust, indicating that they haven’t been around for very long.

Small waves crashing on the coast with a city skyline in the background.
Posted inNews

Supersized Potholes Discovered off South African Coast

by J. Besl 8 June 20238 June 2023

Curious circular pits off South Africa’s Eastern Cape coast are larger than any similar feature previously recorded. Their origin remains a morphological mystery.

Mount Vesuvius looms over the Gulf of Naples.
Posted inNews

Ancient Victims of Vesuvius May Have Baked in a Cloud of Ash

by Carolyn Wilke 7 June 20237 June 2023

Debate still swirls around what killed ancient Romans during the 79 CE eruption. A study of wood charred by the event suggests a brief, but searing, flow of volcanic gas and debris.

A close-up of a smooth gray semispherical body in space with a red spherical body in the background
Posted inNews

Tiny Martian Moon May Be a Chip Off the Old Block

Javier Barbuzano, Science Writer by Javier Barbuzano 2 June 20232 June 2023

A close approach to Deimos reveals that its surface does not look like that of an asteroid, hinting at a Martian origin.

This illustration depicts a planet with blue clouds with several lightning storms. The Sun is faint in the distance. The band of the Milky Way and small pinpoints of stars fill the background.
Posted inNews

A Mission to Uranus Could Help Find Planet 9

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 22 May 202322 May 2023

Narrowing down the search is essential for gaining time on a high-powered telescope that could spot the hypothesized planet directly.

An aerial photograph of a remote, forested lake surrounded by forest.
Posted inFeatures

Hunting for Methane Hot Spots at the Top of the World

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 26 April 202326 April 2023

A visit to an Alaskan wetland with some of the world’s highest lake marsh methane emissions brings scientists one step closer to understanding the phenomenon.

A circular cloud of black and blue dust shadows a small white star.
Posted inNews

Molten Meteorites Didn’t Deliver Earth’s Water

by Caroline Hasler 25 April 202325 April 2023

A new study has ruled out large, once-molten meteorites called achondrites as sources of Earth’s water.

A satellite image of the surface of Mars showing snaking channels and other water-sculpted features
Posted inNews

Asteroid Impacts Could Have Warmed Ancient Mars

Katherine Kornei, Science Writer by Katherine Kornei 17 April 202317 April 2023

Hydrogen released during large impacts might have boosted Mars’s surface temperature above freezing for thousands or even millions of years, enabling liquid water to flow over the Red Planet.

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