
Kenna Hughes-Castleberry
Kenna Hughes-Castleberry is the Content Manager at Space.com. Formerly, she was the Science Communicator at JILA, a physics research institute. Kenna is also a freelance science journalist. Her beats include quantum technology, AI, animal intelligence, corvids, and cephalopods.
Latest articles by Kenna Hughes-Castleberry

ISS astronauts watch Earth's atmosphere glow green | Space photo of the day for Dec. 8, 2025
By Kenna Hughes-Castleberry published
The image shows a good example of the phenomenon called airglow.

What supermoon am I? A lunar personality test
By Kenna Hughes-Castleberry published
The supermoon shines brighter and bolder than usual—discover which dazzling lunar personality matches you.

A green flash at sunset | Space photo of the day for Dec. 8, 2025
By Kenna Hughes-Castleberry published
This rare phenomenon is also called the green rim and it actually happens at every sunset.

Space.com headlines crossword quiz for week of Dec. 1, 2025: What is the name of December's supermoon?
By Kenna Hughes-Castleberry published
Test your space smarts with our weekly crossword challenge, crafted from Space.com's biggest headlines.

Seeing a bull's-eye in the desert | Space photo of the day for Dec. 5, 2025
By Kenna Hughes-Castleberry published
Is this really a crater in the Saharan Desert?

See the metal guts of a satellite in this wild X-ray view | Space photo of the day for Dec. 4, 2025
By Kenna Hughes-Castleberry published
The EURECA spacecraft flew on the space shuttle Atlantis in 1992.

Large Magellanic Cloud bursts with baby stars | Space photo of the day for Dec. 3, 2025
By Kenna Hughes-Castleberry published
The vantage point at Cerro Pachón, with its dark skies and high-altitude clarity, enhances the richness of the image.

30 years of SOHO staring at the sun | Space photo of the day for Dec. 2, 2025
By Kenna Hughes-Castleberry published
This year marks 30 years of SOHO observing our sun, an extraordinary milestone for a mission originally expected to last only about three years.

That's one small step for trivia: An Apollo space quiz
By Kenna Hughes-Castleberry published
Test your cosmic knowledge with this thrilling Apollo-themed space quiz—where lunar legends and NASA milestones collide!

I watched scientists track interstellar comet 3I/ATLAS leaving the solar system in real-time: 'This is some prime-time science'
By Kenna Hughes-Castleberry published
"These images are not just pretty."

Cygnus XL brings cargo to the ISS for 1st time | Space photo of the day for Dec. 1, 2025
By Kenna Hughes-Castleberry published
11,000 pounds of cargo recently arrived at the International Space Station.

Space.com headlines crossword quiz for week of Nov. 24, 2025: The strange star Kepler-56 is classified as this type of star
By Kenna Hughes-Castleberry published
Test your space smarts with our weekly crossword challenge, crafted from Space.com's biggest headlines.

NASA astronauts take new moonsuit for a swim | Space photo of the day for Nov. 28, 2025
By Kenna Hughes-Castleberry published
As NASA prepares for crewed Artemis missions, its astronauts are learning to use a new generation of spacesuits: the Axiom Extravehicular Mobility Unit, designed by Axiom Space.

ISS astronaut Jonny Kim floats with his lunch | Space photo of the day for Nov. 27, 2025
By Kenna Hughes-Castleberry published
A perfect Thanksgiving image of the day for all who celebrate.

Dark plasma dances over the sun | Space photo of the day for Nov. 26, 2025
By Kenna Hughes-Castleberry published
These images help to unravel the magnetic mechanisms driving the sun's behavior and shaping the space environment throughout the solar system.

Satellite space quiz: What's orbiting Earth?
By Kenna Hughes-Castleberry published
This quiz dives into satellites and explores what is orbiting Earth.

Star trails over telescope in Chile | Space photo of the day for Nov. 25, 2025
By Kenna Hughes-Castleberry published
Chilean astrophotographer Osvaldo Castillo captured this breathtaking view.

Satellite sees Antarctic ice shrink to 3rd-lowest max ever | Space photo of the day for Nov. 24, 2025
By Kenna Hughes-Castleberry published
This is not good news for the future of our planet.

Space.com headlines crossword quiz for week of Nov. 17, 2025: What does the I in comet 3I/ATLAS stand for?
By Kenna Hughes-Castleberry published
Test your space smarts with our weekly crossword challenge, crafted from Space.com's biggest headlines.

'The Second World' shows how humanity makes mistakes in futuristic society
By Kenna Hughes-Castleberry published
Jake Korell’s debut novel 'The Second World' envisions a newly independent Mars shaped by real space-policy debates, near-future technology, and the very human absurdities we’ll bring with us when we leave Earth.

NASA’s Artemis 2 moon rocket comes together | Space photo of the day for Nov. 21, 2025
By Kenna Hughes-Castleberry published
The Orion crew module gets stacked onto the Space Launch System in preparation for the upcoming Artemis 2 mission in early 2026.

ISS astronauts see comet Lemmon 'absorbed' by aurora | Space photo of the day for Nov. 20, 2025
By Kenna Hughes-Castleberry published
It's not every day you see both a comet and an aurora from low Earth orbit.

Lasers target the Tarantula Nebula with 'artificial stars' | Space photo of the day for Nov. 19, 2025
By Kenna Hughes-Castleberry published
The Very Large Telescope's interferometer targeted four lasers toward the Tarantula Nebula to create an artificial star.
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