Ancient plant remains buried alongside a young girl sacrificed on Llullaillaco volcano have helped researchers…
Langobard Woman Survived Brutal Head Injuries 1,400 Years Ago, Challenging Assumptions About Violence in Early Medieval Society
Nearly 1,400 years ago, a Langobard woman endured two devastating blows to the head—a sharp…
Nordic Walking Cuts Depression Symptoms in Just Five Weeks, Clinical Trial Finds
Depression symptoms dropped significantly after just a few weeks of Nordic walking in adults with…
James Webb Telescope Data Challenges Long-Held Dark Matter Evidence in Famous Bullet Cluster
Fresh analysis of James Webb Space Telescope observations suggests the iconic Bullet Cluster may not…
JWST Finds Record-Breaking Galaxy Cluster That Shouldn’t Be This Mature So Early in Cosmic History
More than 10 billion light-years away, an unexpectedly massive and highly organized galaxy cluster is…
Moon Quarantine Base Proposed as Scientists Warn Future Mars Samples Could Pose Unknown Risks to Earth
Growing plans to bring material back from the Moon, Mars, and beyond have prompted scientists…
Mars Rover Test Reveals Potential Life-Detection Clue Hidden in Ancient Organic Molecules
Scientists have successfully demonstrated that the European Space Agency’s upcoming Rosalind Franklin rover can distinguish…
Ancient DNA From 300 People Reveals What Really Happened After Rome Fell
Ancient genomes from more than 300 individuals in northwestern Hungary are shedding new light on…
Plague Was Killing Humans 5,500 Years Ago—Long Before Cities Existed, Ancient DNA Reveals
Plague was already a highly lethal disease 5,500 years ago, striking small hunter-gatherer communities in…
400 Gold Coins Solved a 30-Year Mystery as Lost 1633 Dutch Shipwreck Is Finally Identified
Centuries after a ship carrying thousands of Moroccan gold coins disappeared off England’s south coast,…
Humans Lived in the High Pyrenees for Over 10,000 Years
Human communities were repeatedly living and returning to some of the highest parts of the…
Astronomers Discover Third Dark Matter-Free Galaxy in Unprecedented Cosmic Lineup
Three galaxies that appear to contain no dark matter have now been found aligned within…
Black Hole Winds Near Light Speed Blast From Distant Quasar, Revealing One of the Most Powerful Outflows Ever Seen
Two enormous streams of gas racing away from a supermassive black hole at up to…
Scientists Create the Sharpest-Ever 3D Map of a Pion and Reveal How Quarks Build Matter
Researchers have produced the highest-resolution view yet of a pion’s internal structure, revealing how quarks…
Scientists Discover Lost Branch of Australia’s Marsupial Family Tree That May Date Back More Than 50 Million Years
Fossils from northern Australia have revealed what researchers believe is a previously unknown branch of…
Dinosaur With Four Wings May Have Been the Mystery Predator Behind China’s Ancient Bird Graveyard
Hundreds of fossilized birds scattered across a site in northwestern China have puzzled scientists for…
Stress May Have Triggered Sex in Earth’s First Animals—and Supercharged Evolution
Earth’s earliest animals may have spent millions of years evolving at an unusually slow pace…
AI May Soon Understand Humans Better Than We Understand It, Scientists Warn
Artificial intelligence is advancing in ways that may be slipping beyond human comprehension, according to…
160-Million-Year-Old Fossil Captures the Exact Moment a Giant Sea Predator Struck Its Prey
Violent encounter from roughly 160 million years ago has been reconstructed from a remarkable fossil…
Scientists Solved a 60-Year Collagen Mystery—and It Could Change How We Think About Fibrosis and Cancer
Collagen, the body’s most abundant protein, does not exist inside living cells as the rigid…
What Is an Irregular Galaxy? The Galactic Misfits of the Cosmos
When most people imagine a galaxy, they picture a graceful cosmic pinwheel spinning through space…
What Is an Elliptical Galaxy? The Aging Giants of the Universe
On a clear night, when we look up at the stars, it is easy to…
What Is the Local Group? The Galactic Neighborhood We Call Home
On a clear night, far from city lights, the sky reveals thousands of stars scattered…
What Is Dark Energy? The Mysterious Force Accelerating the Expansion of Space
The universe is vast beyond imagination. It contains hundreds of billions of galaxies, each filled…
What Is a Quasar? The Brilliant Light of a Supermassive Black Hole
On a clear night, the stars above us appear peaceful and eternal. Their gentle light…
What Is Andromeda? Our Galaxy’s Future Collision Partner
On a clear, dark night far from city lights, there is a faint smudge in…
What Is Stellar Nucleosynthesis? How Every Atom in Your Body Was Forged in a Star
Look at your hands for a moment. The calcium in your bones, the iron in…
What Is the Hertzsprung-Russell Diagram? The Map to Understanding Star Lifecycles
On a clear night, the sky appears filled with countless stars. Some shine brightly, some…
What Is an O-Type Star? The Rare, Blue Giants That Die Young
On a clear night, the stars above may seem peaceful, eternal, and unchanging. They sparkle…
What Is a Star Cluster? The Gravity-Bound Families of the Milky Way
On a clear, dark night, the sky can appear filled with countless stars scattered randomly…
What Is a Star? The Nuclear Fusion Engines of the Universe
On a clear night, far away from city lights, the sky becomes a breathtaking ocean…
What Is a Variable Star? Understanding the Rhythms of Pulsating Suns
Look up at the night sky on a clear evening, and the stars may seem…
What Is the North Star? Why Polaris Is the Fixed Point of Our Sky
For thousands of years, people have looked up at the night sky searching for guidance.…
What Is a Constellation? The Cultural History of Mapping the Night Sky
On a clear night far away from city lights, the sky becomes something extraordinary. Thousands…
What Is Stellar Magnitude? How Astronomers Measure the Brightness of Stars
On a clear night, the sky becomes a vast ocean of lights. Some stars shine…
What Is a Brown Dwarf? The “Failed” Stars That Bridge the Gap to Planets
The universe is full of categories that seem clear and straightforward. There are stars, which…
What Is a Red Giant? The Dramatic Expansion of Dying Stars
Every star has a story. Some are born in quiet clouds of gas and dust,…
What Is a Protostar? The Chaotic Early Stages of Stellar Formation
Every star in the night sky has a beginning story. Before it shines brilliantly for…
How Does the Sun Produce Energy? The Secrets of Solar Fusion
Every morning, the Sun rises above the horizon and fills the world with light. Its…
What Is a Binary Star System? The Complex Dance of Two Suns
On a clear night, when we look up at the stars, it is easy to…
What Is a Red Dwarf? Why These Small Stars Could Outlive Everything
On a clear night, when we look up at the stars, it is easy to…
What Is a Pulsar? The Universe’s Most Precise Cosmic Clock
Imagine a star so dense that a spoonful of its material would weigh billions of…