Latest articles by Kenna Hughes-Castleberry
Pi has been calculated to trillions of digits — is that completely irrational?
A single server smashed the pi world record, churning out 314 trillion digits in 110 days.
Exceptionally rare sighting of planets colliding may shed light on the crash that formed the moon
Astronomers say a distant, sunlike star shows signs of a catastrophic planet-on-planet crash that may mirror the ancient impact that formed Earth's moon.
Europe's oldest handgun may date to 14th-century siege at German castle
The discovery of a handgun from 1390 found in Germany reveals that portable firearms were used earlier than thought in late medieval Europe.
Man in Czech Republic accidentally finds Bronze Age spearhead mold in his backyard
A stone being used in the foundation of an old barn in the Czech Republic turned out to be a Bronze Age spearhead mold.
Pre-Inca culture acquired Amazonian parrots from hundreds of miles away to use their feathers to decorate the dead, new analysis reveals
Centuries before the Inca emerged, Amazonian parrots were carried alive across the Andes and raised in captivity on Peru's coast for their vibrant feathers.
The sword in the sea: How one lucky graduate student found his second Crusader sword while taking a swim off Israel's coast
A 12th-century sword spotted jutting out of the seabed in Israel was designed for one-handed combat during the Crusades.
We now know why shoes squeak, and it involves miniature lightning bolts
Harvard engineers think they've found the reason basketball shoes squeak, and it's due to pockets of friction between the rubber and the court.
Scientists find genetic 'switch' in mice that turns caring dads into violent brutes
A new study suggests that the Agouti gene in the brains of male African striped mice can act as a molecular "switch," making them caring or violent toward their young.
Ancient 'Asgard' microbe may have used oxygen long before it was plentiful on Earth, offering new clue to origins of complex life
A new study suggests that ancient microbes once cast as oxygen haters may have actually learned to use the gas, offering a clue to how the first complex cells — and, eventually, all plants and animals — evolved.
95 million-year-old Spinosaurus had a scimitar-shaped head crest and waded through the Sahara's rivers like a 'hell heron'
Researchers have identified a new Spinosaurus species with a blade-like crest in Niger, changing our understanding of dinosaur evolution and behavior.
Solar flares may be triggering earthquakes, controversial study claims
Researchers have proposed that changes in Earth's ionosphere could trigger electrical forces that nudge fragile areas of the crust into creating an earthquake.
Scientists finally sequence the vampire squid's huge genome, revealing secrets of the 'living fossil'
The genetic link between squids and octopuses may just be found in the vampire squid genome.
'Very novel and very puzzling': Unknown species of squid spotted burying itself upside down, pretending to be a plant
A new study reveals an unknown species of whiplash squid burying itself upside down in the deep sea — a first-of-its-kind behavior for cephalopods.
