Scientists solve a big bang theory puzzle that could point to dark matter
For years, one of the most intriguing mysteries in physics has been dark matter—an invisible substance thought to make up most of the matter...
How ants could inspire the next generation of antibiotics
As hospitals around the world struggle with dangerous drug-resistant infections, scientists are increasingly looking to nature for solutions.
Surprisingly, one promising source may be crawling...
How a bamboo-inspired design helps detect dangerous helium escapes
Helium may seem harmless—it’s the gas that makes balloons float and voices squeak—but in enclosed spaces, a helium leak can be dangerous.
Because helium is...
Scientists discover 125,000-year-old elephant tracks in southeastern Spain
For the first time, scientists have uncovered fossilized footprints of large land animals preserved in ancient coastal sand dunes in the Spanish region of...
Not just cold and conflict: Roman troops at Hadrian’s Wall battled parasites
Nearly 2,000 years ago, Roman soldiers stationed on the edge of the empire faced more than cold winds, enemy raids, and homesickness.
New research shows...
New study reveals a massive hidden alphabet inside entangled light
Quantum entanglement is often described as a mysterious link between particles, but new research shows it may be even richer than scientists once imagined.
A...
Ancient “living rocks” absorb carbon day and night in South Africa
Along the coast of South Africa, strange rocky formations quietly grow in places where life seems unlikely to survive.
These structures, known as microbialites, look...
Beyond “junk DNA”: Scientists find a hidden gene that controls cell size
Every cell in our body has a “just right” size.
If cells grow too large or too small, the consequences can be serious, contributing to...
Why brown bears in central Italy are smaller and calmer than anywhere else
Living close to humans doesn’t just change landscapes—it can also change animals themselves.
A new genetic study shows that brown bears living near villages in...
Astronomers find the first compelling evidence of monster stars in the early universe
One of the greatest mysteries the James Webb Space Telescope (JWST) was developed to investigate was the birth of supermassive black holes (SMBHs).
For more...
A year that mattered: Caltech’s scientific journey in 2025
Caltech is a place unlike any other, an Institute that is truly "small but mighty."
Its small size and the expertise of its community enable...
Scientists unlock the secret to stronger, lightweight aluminum for cars
Lightweight, high-strength aluminum alloys are essential for making cars and planes more fuel-efficient.
But despite their promise, these materials are difficult to manufacture consistently, especially...
FEATURED
ALMA reveals unusual composition of interstellar comet 2I/Borisov
A galactic visitor entered our solar system last year -- interstellar comet 2I/Borisov.
Last December 15 and 16, astronomers directly observed for the first time...
Scientists create artificial ‘chameleon skin’ powered by nanomachines
Researchers have developed artificial 'chameleon skin' that changes color when exposed to light and could be used in applications such as active camouflage and...
Bright light from early universe ‘opens new chapter in astronomy’
The researchers found two exceptionally bright galaxies that existed approximately 350 and 450 million years after the big bang.
The secret life of flowers: What bees want (and you’ll love too)
Across the globe, bees and other important pollinators are in trouble.
Their numbers are declining, and that’s bad news for ecosystems and the food we...
Whale menopause offers clues to human evolutionary puzzle
The phenomenon of menopause, where females outlive their reproductive years by decades, puzzles many, including scientists who wonder about its evolutionary purpose.
Why would nature...