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Quantum physics looks at very tiny things, smaller than atoms.One idea is called the many worlds theory.

It says that when something small happens, the universe makes many copies of itself. Each copy shows a different result. So in one world one thing happens, and in another world something else happens.

A new paper says these different worlds might even touch each other a little bit. Not like talking, but through very small physics effects.

Scientists are still studying this idea, but it shows how strange and amazing our universe can be.

Original paper
https://arxiv.org/abs/2601.08102

In a new computer simulation, researchers found that our galaxy cluster may sit in a thin, crowded strip of dark matter. On both sides of this strip are huge empty areas where there is much less dark matter. It is like living on a narrow bridge between two giant empty spaces.

This discovery helps scientists better understand how matter is spread across the universe and how our cosmic neighborhood is shaped.

Original paper
https://www.nature.com/articles/s41550-025-02770-w

If you could solve any problem for our planet, what would it be?

Tell us in the comments!

Are We Alone in Space?

People have wondered for a very long time if we are the only living beings in the universe. Today, scientists feel closer than ever to finding an answer.

For more than twenty years, a project called SETI at home asked people across the world to help listen to space. Around two million home computers worked together, sorting through faint radio noises coming from distant stars and galaxies.

In total, scientists studied about twelve billion signals. From all of these, they selected the 100 most interesting ones. These signals stand out because they might not come from natural space objects. Some could even be signs of intelligent life far away.

Now, astronomers are using a giant telescope in China called FAST. It is one of the most powerful radio telescopes on Earth. Scientists are pointing it toward those same 100 spots in the sky, listening again very carefully. They are hoping to hear the signals repeat, like a second call from space.

So far, about half of the signals have been checked. Nothing has been confirmed yet. Still, this is the most sensitive and careful search humans have ever made for life beyond our planet.
The wait continues, and the final results are expected later this year.

Source: https://ow.ly/MGlQ50Y0mAP

Chinese Experiment Recreates Einstein’s Quantum Challenge and Confirms Bohr’s View.

Physicists at the University of Science and Technology of China have successfully carried out a real laboratory version of a famous thought experiment proposed by Albert Einstein in 1927. The experiment tests whether it is possible to learn which path a photon takes while still preserving its interference pattern.

In the new setup, a single atom held in an optical trap acts as a movable slit for a single photon. By carefully controlling the atom’s motion, the researchers showed that the more precisely the atom’s recoil is measured, the more the photon’s interference pattern disappears. In other words, gaining which path information inevitably destroys the wave like behavior.

This result supports Niels Bohr’s principle of complementarity, which states that quantum objects cannot display full particle and wave properties at the same time. Einstein’s hope that both could be observed together in this scenario is not confirmed by the experiment.

Rather than changing quantum theory, the work brings a century old debate into the laboratory and confirms one of the core foundations of modern quantum mechanics.

Original paper links :

https://journals.aps.org/prl/abstract/10.1103/93zb-lws3

https://arxiv.org/pdf/2410.10664

Scientists have written a new research paper that asks a very deep question about reality. The paper says that in the quantum world, events may not be fixed in the same way for everyone. What one observer sees as a finished event might not be the same for another observer.

The researchers used a famous thought experiment called Wigner’s Friend. It imagines two people watching the same experiment at different times. According to the math of quantum physics, both people cannot agree on what exactly happened if we assume events are always absolute and never change.

The paper shows that quantum theory breaks the rules we usually believe about time and cause. This means that at least one common idea must be wrong. Either events are not absolute, or the future can influence the past, or our idea of cause and effect needs to change.

Other scientists say this work fits into a long line of studies that show quantum physics is very strange but consistent. Some agree that reality may depend on the observer. Others say different interpretations of quantum physics can explain this without changing reality itself.

In simple words, the paper suggests that nature does not always decide one single answer for everyone. Reality in the quantum world may be more flexible than we imagine.

Original Paper: https://arxiv.org/abs/2510.26562

NASA's Hubble Space Telescope captured Helix Nebula.

This image shows a beautiful and mysterious region of space where new stars are being born. The bright points you see are stars shining through huge clouds of gas and dust. These golden and brown clouds are made of tiny particles floating in space, slowly coming together under gravity.

Over millions of years, parts of these clouds become dense and hot enough to form new stars, just like the Sun. Scientists study places like this to understand how stars, planets, and even galaxies are created. It is a reminder that space is not empty, but full of activity, growth, and wonder.

Isar Aerospace is preparing to launch its Spectrum rocket from Andøya Spaceport in Norway, marking a key step in Europe’s commercial spaceflight efforts. The mission will test the rocket’s capabilities under real launch conditions and support the growing demand for small satellite access to orbit.

Watch live: https://www.youtube.com/live/MsbZj8PxmUk

For the last 50 years, particle physics operated under a "theory-first" model. Scientists used the Standard Model (a mathematical "map" of particles) to predict exactly where new discoveries should be.

They built massive machines, like the Large Hadron Collider (LHC), specifically to find particles that theories like "Supersymmetry" said should exist.

However, after years of searching, many of these predicted "new" particles never showed up. Because the theories didn't lead to the expected results, the scientific community is now moving into a "data-driven" era.

Instead of starting with a theory and looking for proof, physicists are now letting the experiments lead. They are looking for any weird patterns or "anomalies" in the data first, then trying to figure out the theory afterward. It is a transition from following a pre-written map to exploring the unknown without a set destination.

Paper:
https://link.springer.com/article/10.1007/s00016-025-00335-y

Astronomers have discovered an unusual asteroid, 2025 MN45, that is forcing scientists to rethink how strong asteroids can be.

The object is about 710 meters wide but spins once every 1.88 minutes, far faster than scientists believed possible for an asteroid of this size.

Normally, large asteroids are thought to be loose “rubble piles” that would fly apart if they spin too quickly. However, 2025 MN45 has stayed intact, suggesting it has unexpected internal strength, possibly closer to solid rock than loose debris.

This record-breaking finding, detected by the Vera C. Rubin Observatory, changes our understanding of asteroid structure and how these objects form and survive in the solar system.

Source: https://iopscience.iop.org/article/10.3847/2041-8213/ae2a30