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

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A Black Hole Disappearing Into a Wormhole? This Signal Could Prove Wormhole Might Exist

In recent years, our understanding of the Universe has changed dramatically. One of the biggest breakthroughs came in 2015, when scientists detected gravitational waves for the first time. These are tiny ripples in spacetime caused by massive cosmic events, like two black holes crashing into each other. This discovery confirmed an important idea from Albert Einstein’s theory of general relativity and opened a completely new way to study the Universe.

Since then, scientists have detected many more gravitational-wave events. These observations have helped us learn about black holes, neutron stars, and extreme gravity. But now, researchers are asking a much bigger question: Can gravitational waves help us find completely new and exotic objects, like wormholes?

A new study by Malik and his team explores this exciting idea. They show that if a black hole falls into a wormhole, it could produce a special type of gravitational-wave signal—one that we might be able to detect with current technology.

What Are Gravitational Waves?

Gravitational waves are like ripples that spread through spacetime when massive objects move very quickly. For example, when two black holes orbit each other and merge, they send out waves that travel across the Universe at the speed of light.

These waves are incredibly weak by the time they reach Earth, but highly sensitive instruments like LIGO can detect them. Each event produces a unique signal, almost like a fingerprint, which tells scientists what kind of event created it.

What Is a Wormhole?

A wormhole is a theoretical idea in physics. It is like a tunnel that connects two distant points in space—or even two different universes.

To understand this, imagine folding a piece of paper so that two far-apart points touch. If you punch a hole through those points, you create a shortcut. A wormhole works in a similar way, acting as a bridge through spacetime.

Some wormholes are called traversable, which means objects could pass through them. However, scientists believe that keeping such a wormhole open would require a special type of matter with unusual properties. This makes wormholes very hard to prove in reality.

The Study: A Black Hole Falling into a Wormhole

In this research, Malik and his team studied what happens when a small black hole falls straight into a wormhole. To simplify the problem, they treated the black hole as a “test particle,” meaning it does not significantly disturb the wormhole itself.

They focused on a specific type called a thin-shell Schwarzschild traversable wormhole, which is a simple and commonly used model in theoretical physics.

The team then calculated the gravitational waves produced during this event. To do this, they used mathematical techniques that break down the motion into different parts, called multipoles. These include:

  • Mass quadrupole (the main contribution)

  • Mass octupole (a smaller effect)

  • Current quadrupole (related to motion and rotation)

Because of the symmetry in the system, some of these contributions cancel out, making the final signal easier to understand.

A Unique Signal: Pulse and Gap Pattern

The most interesting result of the study is the shape of the gravitational-wave signal.

Normally, when two black holes merge, the signal looks like a “chirp.” This means the frequency and strength of the wave increase smoothly until the merger happens.

But in this case, the signal looks very different. It has a pulse–gap pattern:

  1. First Pulse:
    As the black hole moves closer to the wormhole, the signal becomes stronger and faster.

  2. Gap or Change:
    When the black hole passes through the wormhole’s throat, the signal changes or becomes weaker.

  3. Second Pulse (Burst):
    As the black hole comes out on the other side, another burst of waves is produced.

This pattern is very unusual and does not match signals from normal black hole mergers. That makes it a possible signature of a wormhole.

Can We Detect This Signal?

The researchers also studied whether this signal could be detected by current gravitational-wave observatories.

They calculated something called the amplitude spectral density (ASD), which helps compare the signal with the sensitivity of detectors.

Their results show that:

  • If the system is in a favorable position relative to Earth,

  • And if it is not too far away,

then the signal could be detected from distances up to about 500 megaparsecs (around 1.6 billion light-years).

This means that such events are not just theoretical—they could actually be observed with present or future detectors.

Why Is This Important?

This research is important for several reasons.

1. Searching for Wormholes

If we detect this kind of signal, it could be the first real evidence of wormholes.

2. New Type of Cosmic Event

The signal is very different from anything we have seen so far. This helps scientists identify unusual or exotic घटनाएँ in data.

3. Understanding Spacetime

Studying wormholes could help us understand the deeper structure of spacetime and possibly even quantum gravity.

Realistic Situations May Be More Complex

The study assumes a simple case where the black hole falls straight into the wormhole. But in reality, things may be more complicated.

For example, if another massive object is nearby, it could affect the motion of the black hole. This is known as the Kozai–Lidov mechanism, and it can cause:

  • Highly stretched (eccentric) orbits

  • Repeated passes through the wormhole

  • Complex and chaotic motion

These situations could produce even more interesting gravitational-wave signals.

Challenges and Limitations

Even though the results are exciting, there are still some challenges:

  • Wormholes have not been observed yet

  • They may require exotic matter to exist

  • Detecting such signals among noise is very difficult

However, new theories suggest that wormholes might exist without breaking known laws of physics, especially in modified gravity models.

The Future of This Research

Gravitational-wave astronomy is still growing. Future detectors will be more powerful and sensitive, allowing scientists to detect weaker and more distant signals.

This will increase the chances of finding:

  • New types of black hole systems

  • Signals from the early Universe

  • And possibly evidence of wormholes

Malik and his team’s work provides a clear prediction that scientists can look for in future data.

Conclusion

Gravitational waves have already changed how we study the Universe. They allow us to observe events that cannot be seen with light.

This new research suggests that they might also help us detect one of the most mysterious ideas in physics: wormholes.

If a black hole falls into a wormhole, it could create a special signal with a pulse–gap pattern. This signal is different from anything we have observed so far and could act as a clear sign of a wormhole.

While wormholes are still theoretical, studies like this bring us one step closer to testing their existence.

In the future, we may not just imagine wormholes—we might actually detect them.

Reference: Mohammad Nosherwan Malik, James B. Dent, William E. Gabella, Thomas W. Kephart, "Gravitational Waves from a Black Hole Falling Radially into a Thin-Shell Traversable Wormhole", Arxiv, 2026. https://arxiv.org/abs/2605.01216


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