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Scientists Discover Way to Send Information into Black Holes Without Using Energy

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Mars Shock Discovery: Scientists Detect the Elusive Zwan–Wolf Effect Inside Its Atmosphere During a Solar Storm

In a surprising breakthrough that reshapes how scientists understand space weather, researchers have discovered a rare physical phenomenon—known as the Zwan–Wolf effect—inside the atmosphere of Mars. Until now, this effect had only ever been observed in Earth’s magnetic environment. Its appearance on Mars suggests that even planets without a global magnetic field can experience complex, magnet-like behavior deep within their atmospheres.

The discovery came from data collected by NASA’s MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft during a powerful solar storm in December 2023. What initially looked like strange “wiggles” in the data turned out to be something far more significant: charged particles in Mars’ ionosphere being squeezed and structured in a way never seen before on another planet.

A Hidden Pattern Discovered in Mars Data

The finding was not planned. Scientists were reviewing MAVEN’s atmospheric measurements when they noticed unusual fluctuations in the magnetic field and plasma readings as the spacecraft passed through Mars’ upper atmosphere.

“At first, it just looked like noise or small irregular variations,” explained lead researcher Christopher Fowler from West Virginia University. “But the more we looked, the more structured it became. It was behaving in a way we did not expect at all.”

After careful analysis, the team realized the pattern matched a phenomenon first identified in Earth’s space environment in 1976—the Zwan–Wolf effect.

On Earth, this effect occurs when streams of charged particles from the Sun interact with the planet’s magnetic field. Instead of flowing smoothly, the particles become compressed and guided along invisible magnetic channels, called flux tubes, much like toothpaste being squeezed out of a tube.

Until now, scientists believed this effect required a strong global magnetic field—something Mars does not have.

What Makes the Discovery on Mars So Surprising?

Mars is often described as a “magnetically weak” planet. Unlike Earth, it lost its global magnetic field billions of years ago. Today, it only has small, patchy magnetic regions in its crust and a weak induced magnetosphere, created when the solar wind interacts directly with its atmosphere.

Because of this, scientists assumed Mars’ atmospheric environment would not support complex magnetic structuring like the Zwan–Wolf effect.

But MAVEN’s data tells a different story.

The effect was detected inside the ionosphere, a layer of the atmosphere located below 200 kilometers altitude. This region contains electrically charged particles produced by solar radiation. During the solar storm, these particles were not randomly distributed. Instead, they appeared to be squeezed and organized into structured channels, similar to what is seen in Earth’s magnetosphere.

This suggests that even without a strong internal magnetic field, Mars can still develop temporary, dynamic magnetic-like structures under extreme solar conditions.

How a Solar Storm Revealed the Effect

The breakthrough came during a period of intense solar activity. A large burst of solar wind—high-energy particles released by the Sun—struck Mars and dramatically changed its space environment.

As this solar storm hit, Mars’ induced magnetosphere expanded and shifted in size. These rapid changes created the perfect conditions for hidden physical processes to become visible.

Scientists noticed unusual variations in MAVEN’s magnetic field measurements. To investigate further, they analyzed data from multiple instruments on board the spacecraft, including readings of plasma density, particle movement, and ionospheric structure.

Step by step, the researchers eliminated other possible explanations. Instrument error, random turbulence, and known atmospheric effects were all ruled out. What remained consistently matched the signature of the Zwan–Wolf effect.

Fowler and his team realized that the solar storm had amplified an otherwise faint phenomenon, making it detectable for the first time in Mars’ atmosphere.

Why This Changes Our Understanding of Mars

The discovery has major implications for planetary science.

Previously, scientists believed that effects like the Zwan–Wolf phenomenon were restricted to planets with strong magnetic shields, like Earth. Mars has always been considered a different case because its atmosphere is thin, weakly protected, and directly exposed to the solar wind.

Now, this assumption is being challenged.

The findings suggest that Mars’ ionosphere is more dynamic and structured than previously thought. Even without a global magnetic field, the interaction between solar wind and atmospheric particles can produce organized, large-scale effects.

According to Fowler, “No one expected this kind of physics to exist in a planetary atmosphere like Mars. It opens up entirely new ways of thinking about how space weather interacts with planets.”

Broader Implications Beyond Mars

This discovery does not only apply to Mars. It could change how scientists understand other unmagnetized worlds as well.

Planets and moons such as Venus and Titan (Saturn’s largest moon) also lack strong global magnetic fields. If the Zwan–Wolf effect can occur on Mars, it may also appear in these environments under the right solar conditions.

This means that space weather could be shaping the atmospheres of multiple worlds in ways scientists have not yet fully recognized.

It also has practical importance. As future missions plan for long-term exploration of Mars—possibly even human presence—understanding how solar storms affect the planet becomes critical. Strong solar activity could influence communication systems, satellites, and even surface operations.

Why MAVEN Is Key to These Discoveries

The MAVEN mission, launched in 2013 and orbiting Mars since 2014, was specifically designed to study the planet’s upper atmosphere and its interaction with the Sun. Its main goal is to understand how Mars lost much of its atmosphere over time and how solar wind continues to shape its environment.

This new discovery highlights the mission’s ongoing importance. Even more than a decade after launch, MAVEN continues to uncover unexpected phenomena.

However, the mission has recently faced challenges. In December 2025, MAVEN experienced a loss of communication with Earth. NASA later formed an anomaly review board in early 2026 to investigate the issue and determine whether the spacecraft can be recovered.

Despite this setback, the data already collected by MAVEN continues to drive new scientific insights like the discovery of the Zwan–Wolf effect.

A New Chapter in Space Weather Science

The detection of the Zwan–Wolf effect on Mars marks a turning point in planetary science. It shows that space weather is far more complex and widespread than previously believed. Even planets without strong magnetic fields can develop structured, dynamic responses to solar activity.

This discovery also highlights a deeper connection between the Sun and the planets it influences. Rather than being passive objects in space, planets actively respond to solar storms in surprising and intricate ways.

As scientists continue to analyze MAVEN’s data, more hidden processes may come to light. Mars, once thought to be a relatively simple and inactive world, is proving to be a dynamic laboratory for understanding how planets interact with their stars.

The Red Planet has once again surprised us—and this time, it has revealed a hidden physics effect that was never expected to exist there at all.

Reference: Fowler, C.M., Hanley, K.G., McFadden, J. et al. Detection of Zwan-Wolf effect in the ionosphere of Mars. Nat Commun 17, 4224 (2026). https://doi.org/10.1038/s41467-026-72251-9

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