Body size in human evolution did not increase in a simple, gradual march toward modern…
Ancient Proteins From Homo naledi Teeth Reveal Possible All-Female Burial Chamber
Ancient proteins recovered from Homo naledi fossils have provided the first direct molecular clues about…
Bird Brains May Explain Why Some Birds Lay Eggs Larger Than Dinosaur Eggs, Study Finds
Researchers have identified a fundamental evolutionary link between brain size and offspring size across birds,…
Ancient Plants Reveal the Exact Era of a Mysterious Inca Child Sacrifice on a 22,000-Foot Volcano
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 a Dwarf Galaxy? The Small, Satellite Neighborhoods of Our Own
On a clear night beneath a dark sky, the stars seem countless. The Milky Way…
What Is a Globular Cluster? The Ancient, Dense Cities of Millions of Stars
On a clear night, when we look up at the sky, the stars seem scattered…
What Is a Wolf-Rayet Star? The Rare Giants That Burn Out Fast
Look up at the night sky, and most stars appear calm and eternal. They twinkle…
What Is a Galaxy Cluster? The Massive Social Networks of the Cosmos
On a clear night, the stars above seem scattered across the sky like tiny islands…
What Is the Multiverse Theory? Are There Infinite Versions of Reality?
Imagine standing at a crossroads and making a choice. You decide to turn left instead…
What Is the Zodiac? The Ancient Connection Between Stars and Seasons
On a clear night, far from city lights, the sky can feel timeless. Thousands of…
What Is the Future of the Universe? The Big Freeze vs. The Big Rip
Every human being who has ever looked at the night sky has wondered about the…
What Is Space Weather? Why Solar Activity Matters for Earth’s Power Grid
Most people think of weather as something that happens in Earth’s atmosphere. We check forecasts…
What Is the Anthropic Principle? Why the Universe Seems Fine-Tuned for Us
Imagine waking up one morning and discovering that every aspect of your home had been…
What Is Panspermia? The Theory That Life on Earth Came from Space
Look up at the night sky on a clear evening and you will see thousands…
What Is the Aurora Borealis? The Science Behind the Dancing Northern Lights
Imagine standing beneath a dark Arctic sky on a cold winter night. The stars shine…
What Is a Light Year? Why Distance in Space Defies Human Scale in the Sky
On a clear night, the stars seem close enough to count. They sparkle overhead like…
What Is the James Webb Space Telescope? The Most Powerful Eye in the Sky
For thousands of years, humans have looked up at the night sky and wondered what…
What Is Space Debris? The Growing Problem of Junk in Orbit
Every night, when we look up at the stars, the sky appears peaceful. The darkness…
What Is the Kardashev Scale? How We Might Rank Future Civilizations
Humanity has always looked up at the night sky and wondered whether we are alone.…
What Is the Fermi Paradox? If Life Is Everywhere, Where Is Everybody?
On a clear night, when you look up at the stars, it is hard not…
What Is the Big Bang? The Theoretical Origin of Our Reality
Every human being eventually asks the same profound questions. Where did everything come from? Why…
What Is Dark Flow? The Mysterious Motion of Galaxy Clusters
The universe is often described as a place governed by elegant laws. Galaxies orbit within…
What Is the Information Paradox? The Mystery of What Happens to Matter in a Black Hole
Imagine taking a book and throwing it into a black hole. Not just any book,…