
Kenna Hughes-Castleberry
Kenna Hughes-Castleberry is the Content Manager at Live Science. Formerly, she was the Content Manager at Space.com and before that the Science Communicator at JILA, a physics research institute. Kenna is also a book author, with her upcoming book 'Octopus X' scheduled for release in spring of 2027. Her beats include physics, health, environmental science, technology, AI, animal intelligence, corvids, and cephalopods.
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Octopus quiz: Are you a sucker for cephalopod science?This quiz tests what you know about octopus anatomy and behavior.
By Kenna Hughes-Castleberry Published
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'Trust us; you look amazing': Artemis II crewmembers share first message from spaceAs Artemis II begins humanity's first return to the moon in over 50 years, the four astronauts aboard the Orion spacecraft shared their first message from deep space.
By Kenna Hughes-Castleberry Published
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Artemis II officially leaves Earth's orbit on the way to the moonWith a successful translunar injection burn, NASA's Artemis II mission stopped circling Earth and began the first crewed journey toward the moon since the Apollo era.
By Kenna Hughes-Castleberry Published
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'We go for all of humanity': Artemis II rocket lifts off to the moon — look back at our live coverageLive Blog The Artemis II crew have left Earth and are bound for the moon. Take a look back at our live blog's launch coverage from the days, hours and seconds until takeoff.
By Ben Turner Last updated
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'80% chance of a go,' launch weather officer says at NASA's Artemis II prelaunch conferenceNASA said an X-class solar flare is not currently expected to affect the Artemis II mission, while weather on Earth looks favorable for a smooth launch.
By Kenna Hughes-Castleberry Published
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'It blew my mind': Long-lost ice-age ecosystem, including fossils of lion-size armadillo and giant ground sloth, discovered in Texas 'water cave'Two researchers snorkeling in a subterranean stream in Texas discovered fossils from the Late Pleistocene epoch, revealing new details about what lived in this ancient ecosystem.
By Kenna Hughes-Castleberry Published
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NASA's historic Artemis II mission gets green light for flight as countdown beginsNASA has given the 10-day Artemis II mission the green light after its flight readiness review, and the weather outlook remains favorable.
By Kenna Hughes-Castleberry Published
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Saturn's chaotic atmosphere revealed in most comprehensive view yet by James Webb and Hubble telescopesViewing Saturn in complementary wavelengths, the James Webb and Hubble space telescopes reveal more about what makes up the layers of ringed planet's atmosphere.
By Kenna Hughes-Castleberry Published
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Why does cannabis give people 'the munchies'?A researcher explains how your body processes the THC from cannabis, resulting in "the munchies."
By Kenna Hughes-Castleberry Published
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Mystery medical episode that left astronaut unable to speak shows one of NASA's biggest risks as moon missions ramp upVeteran astronaut Michael Fincke's sudden medical emergency aboard the ISS is a stark reminder that, as NASA pushes toward long-term lunar missions, astronaut health remains one of spaceflight's biggest unknowns.
By Kenna Hughes-Castleberry Published
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Astronauts may struggle to reproduce in outer space, study suggests — what does that mean for the future of space colonization?A new study found that microgravity simulated on Earth hindered sperm cell movement, egg fertilization and embryo development — findings that have serious implications for the future of space colonization.
By Kenna Hughes-Castleberry Published
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Chinese lander reveals giant 'cavity' of radiation between Earth and the moon — and it could change how lunar exploration is doneA new study using data from China's Chang'e-4 moon lander found an area of reduced radiation from cosmic rays near the moon. The findings could be used to improve the safety of lunar explorations.
By Kenna Hughes-Castleberry Published
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Scientists are racing to save Australia's 'zombie tree' from a fast-spreading fungal diseaseA fast-spreading fungal disease has left the newly named Australian "zombie tree" unable to produce flowers, fruit or seeds, and scientists warn that 16 other species may be heading down the same path.
By Kenna Hughes-Castleberry Published
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An anomaly in Mars' mantle could trigger volcanoes to erupt — and may be causing the whole planet to spin fasterData from NASA's InSight mission suggests the Red Planet's Tharsis region is more active than previously thought and may be why Mars is spinning more quickly over time.
By Kenna Hughes-Castleberry Published
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A secret weapon to fight carbon emissions was just discovered: BeaversA new study in Switzerland finds that beaver-built wetlands can trap and store large amounts of carbon, offering a low-cost boost for restoration and climate resilience.
By Kenna Hughes-Castleberry Published
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Computing quiz: Can you match these 'ancient' devices to their pictures?Think you know your technology? Put your computing knowledge to the test by matching classic and modern devices to their images.
By Kenna Hughes-Castleberry Published
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1,800-year-old nails discovered in 3 burials in Roman necropolis, possibly to 'protect' both the living and the deadArchaeologists excavating in Rome's Ostiense necropolis found three skeletons with iron nails on their chests, hinting at a ritual to prevent restless spirits.
By Kenna Hughes-Castleberry Published
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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.
By Kenna Hughes-Castleberry Published
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Exceptionally rare sighting of planets colliding may shed light on the crash that formed the moonAstronomers 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.
By Kenna Hughes-Castleberry Published
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Europe's oldest handgun may date to 14th-century siege at German castleThe discovery of a handgun from 1390 found in Germany reveals that portable firearms were used earlier than thought in late medieval Europe.
By Kenna Hughes-Castleberry Published
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Man in Czech Republic accidentally finds Bronze Age spearhead mold in his backyardA stone being used in the foundation of an old barn in the Czech Republic turned out to be a Bronze Age spearhead mold.
By Kenna Hughes-Castleberry Published
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Pre-Inca culture acquired Amazonian parrots from hundreds of miles away to use their feathers to decorate the dead, new analysis revealsCenturies before the Inca emerged, Amazonian parrots were carried alive across the Andes and raised in captivity on Peru's coast for their vibrant feathers.
By Kenna Hughes-Castleberry Published
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The sword in the sea: How one lucky graduate student found his second Crusader sword while taking a swim off Israel's coastA 12th-century sword spotted jutting out of the seabed in Israel was designed for one-handed combat during the Crusades.
By Kenna Hughes-Castleberry Published
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We now know why shoes squeak, and it involves miniature lightning boltsHarvard engineers think they've found the reason basketball shoes squeak, and it's due to pockets of friction between the rubber and the court.
By Kenna Hughes-Castleberry Published
