Is the universe really one big black hole?

New ScientistTuesday, October 7, 2025 at 6:00:57 PM
NeutralScience
Is the universe really one big black hole?
Recent discussions in astrophysics suggest that the universe might be akin to a giant black hole, based on the principles governing these cosmic entities. This idea stems from the observation that larger black holes have lower average densities, which raises intriguing questions about the nature of our universe and its vast, seemingly empty spaces. Understanding this concept could reshape our perspective on cosmic structures and the fundamental laws of physics.
— Curated by the World Pulse Now AI Editorial System

Was this article worth reading? Share it

Recommended Readings
These 10 underrated space games flew under the radar, but they deserve your attention
PositiveScience
In the world of gaming, some space-themed titles often get overlooked, but they truly deserve a spotlight. This article highlights ten underrated space games that offer unique experiences and captivating gameplay. By bringing attention to these hidden gems, gamers can expand their horizons and discover new adventures in the cosmos, proving that there's more to space gaming than just the mainstream hits.
Galaxies fling out matter much more violently than we thought
PositiveScience
Recent research has revealed that galaxies expel matter with far greater intensity than previously understood. This study, which analyzes the afterglow of the big bang, provides crucial insights into the role of black holes in distributing mass throughout the universe. Understanding these processes is vital as it helps explain the mystery of missing matter, enhancing our knowledge of cosmic evolution and the fundamental workings of the universe.
Science history: Edwin Hubble uncovers the vastness of the universe with discovery of 'standard candle' — Oct. 5, 1923
PositiveScience
On October 5, 1923, astronomer Edwin Hubble made a groundbreaking discovery by observing a peculiar star, M31-V1, which flickered at regular intervals. This observation was crucial in demonstrating that the universe is much larger than the Milky Way, fundamentally changing our understanding of the cosmos. Hubble's work laid the foundation for modern astronomy and opened the door to exploring the vastness of space, highlighting the importance of scientific inquiry in expanding our knowledge.
Latest from Science
Why Diamonds Are Computer Chips’ New Best Friend
PositiveScience
Researchers are exploring the use of diamonds in computer chips to tackle the significant energy waste in data centers, which often lose a lot of electricity as heat. This innovative approach could lead to more efficient technology, reducing energy consumption and costs, while also addressing environmental concerns. It's an exciting development that highlights the potential of diamonds beyond their traditional use in jewelry.
SpaceX Falcon 9 rocket launches 28 Starlink satellites on its 29th-ever liftoff
PositiveScience
SpaceX has successfully launched its Falcon 9 rocket for the 29th time, deploying 28 Starlink satellites into orbit. This achievement is significant as it brings the company closer to its record for rocket reuse, showcasing the reliability and efficiency of its technology. The continued expansion of the Starlink satellite constellation is crucial for enhancing global internet access, particularly in underserved areas.
Thousands join biggest-ever UK environmental lawsuit over river pollution
PositiveScience
Thousands of people have come together to participate in the largest environmental lawsuit in the UK, targeting significant pollution in the Wye, Lugg, and Usk rivers caused by livestock and water companies. This collective action highlights the growing concern over environmental issues and the need for accountability in protecting natural resources. It matters because it represents a pivotal moment for environmental advocacy, potentially leading to stricter regulations and greater awareness of pollution's impact on ecosystems.
Scientists develop first ‘accurate blood test’ to detect chronic fatigue syndrome
PositiveScience
Scientists have made a breakthrough by developing the first accurate blood test for diagnosing myalgic encephalomyelitis, commonly known as chronic fatigue syndrome (ME/CFS). This is significant because currently, there is no definitive test for the condition, leading to many patients being misdiagnosed or undiagnosed for years. While this advancement offers hope for ME patients, experts caution that further studies are necessary to validate the test's effectiveness.
Dazzling supermoon illuminates skylines around the world
PositiveScience
This week's supermoon, celebrated globally as the Harvest and Hunter's moons, has captivated audiences from Paris to Taipei. The stunning visuals of the moon illuminating city skylines remind us of the beauty of nature and its ability to unite people across different cultures. Such celestial events not only provide a feast for the eyes but also spark conversations about astronomy and the changing seasons.
Walmart is clearing out a ton of Lego sets during its fall sale
PositiveScience
Walmart is making it easier for Lego fans to stock up during its fall sale, offering a wide selection of Lego sets just in time for the holiday shopping season. This sale is a great opportunity for families to get ahead on their gift lists and enjoy quality time building together. With the excitement surrounding Lego, this event not only helps shoppers save money but also encourages creativity and fun for all ages.