Articles for author: Sumi

A Wandering Supermassive Black Hole Eating a Star

Astronomers Spot Wandering Supermassive Black Hole Tearing a Star Apart

Sumi

Rare Tidal Disruption Reveals Hidden Giant (Image Credits: Pixabay) Astronomers pinpointed a supermassive black hole roaming 2,600 light-years from its galaxy’s core after it ripped apart a star 600 million light-years from Earth.[1][2] Rare Tidal Disruption Reveals Hidden Giant Researchers detected the event, known as AT2024tvd, through the Zwicky Transient Facility’s optical sky survey. The ...

How can galaxies merge if the everything in the universe is moving apart?

Scientists Explore Why Galaxies Collide Despite the Universe’s Expansion

Sumi

The Expanding Universe Meets Local Gravity (Image Credits: Unsplash) The universe continues to expand, carrying distant galaxies farther apart, yet astronomers observe galaxies merging in dramatic collisions.[1] The Expanding Universe Meets Local Gravity Astronomers long noted that the universe expands such that every galaxy recedes from every other, a phenomenon rooted in the Big Bang’s ...

Could these weird stars just be overgrown planets?

These Brown Dwarfs Challenge How We Define Stars and Planets

Sumi

Straddling the Cosmic Divide (Image Credits: Cdn.mos.cms.futurecdn.net) Astronomers face a persistent challenge in classifying brown dwarfs, celestial bodies that occupy the ambiguous space between gas giant planets and true stars.[1][2] Straddling the Cosmic Divide Brown dwarfs emerge as too massive to fit neatly as planets yet too small to shine as stars. These objects typically ...

Real NASA space telescope data creates soundtracks for Jupiter, Saturn and Uranus

NASA Releases Haunting Audio From Distant Planet Observations

Sumi

A Celestial Alignment Inspires New Sounds (Image Credits: Cdn.mos.cms.futurecdn.net) NASA’s Chandra X-ray Observatory released sonifications that transform X-ray and multiwavelength observations of three distant planets into audible experiences.[1][2] A Celestial Alignment Inspires New Sounds Skywatchers in the Northern Hemisphere witnessed a striking planetary parade in late February 2026, with six planets aligning along the ecliptic ...

Why We Dream: The Latest Theories from Sleep Scientists

Why We Dream: The Latest Theories from Sleep Scientists

Sumi

Every night, your brain tells you wild, vivid, often completely bizarre stories – and then, most mornings, it quietly erases almost all of them. For something we all do for years of our lives, dreaming is still strangely mysterious, and that mystery can feel a bit unsettling. Why would evolution keep such an energy-hungry habit ...

The Hidden World of Microbes: How Tiny Life Shapes Our Planet

The Hidden World of Microbes: How Tiny Life Shapes Our Planet

Sumi

If you could suddenly see every microbe around you, it would probably feel overwhelming, maybe even a little terrifying. They are on your skin, in your lungs, covering your phone, floating in the air you just breathed in. Yet, without this invisible universe of tiny life forms, the world you know would simply fall apart. ...

Decoding Animal Communication: Beyond Barks and Chirps

Decoding Animal Communication: Beyond Barks and Chirps

Sumi

Walk through a forest at dusk or sit quietly with a pet, and you can feel it: there’s a constant, invisible conversation happening all around us. Most of the time we reduce it to noise – a bark, a chirp, a buzz in the background – and move on. But hidden inside those sounds and ...

The Science of Synesthesia: When Senses Blend in the Brain

The Science of Synesthesia: When Senses Blend in the Brain

Sumi

Imagine reading this sentence and automatically seeing splashes of color around each letter, or tasting a hint of mint every time you hear a violin. For people with synesthesia, this kind of blended sensory world is completely normal, and often lifelong. It’s not a hallucination, not a fantasy, but a stable and reliable way their ...

Earth's Magnetic Field: How It Protects Us and Why It Changes

Earth’s Magnetic Field: How It Protects Us and Why It Changes

Sumi

Most of the time, we walk around completely unaware that an invisible shield is humming quietly around our planet, deflecting dangerous radiation and guiding everything from migrating birds to GPS satellites. Yet this same shield is restless, constantly shifting, flickering, and sometimes even flipping its poles in ways that still puzzle scientists in 2026. The ...

The Echoes of Atlantis: New Clues to a Lost Civilization?

The Echoes of Atlantis: New Clues to a Lost Civilization?

Sumi

Every few years, a new theory about Atlantis explodes into the headlines, promising to finally reveal the truth about the legendary sunken city. Most of them fade just as fast. Yet recently, a mix of high-tech ocean mapping, satellite archaeology, and fresh looks at old texts has given the Atlantis story an unexpected second life. ...