
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

Butterfly Star flaps its rainbow wings | Space photo of the day for Sept. 4, 2025
By Kenna Hughes-Castleberry published
This young star is surrounded by a protoplanetary disk, separating the "wings" of the butterfly.

Perseverance Mars rover rolls over Soroya Ridge | Space photo of the day for Sept. 3, 2025
By Kenna Hughes-Castleberry published
The Soroya Ridge was the recent destination in NASA's Perseverance rover's journey to explore the landscape of Mars.

I watched scientists view the interstellar comet 3I/ATLAS in real time. Here's what they saw
By Kenna Hughes-Castleberry published
"Once these objects get too faint to see, they will never be seen again,"

ISS astronauts serve up space sushi | Space photo of the day for Sept. 2, 2025
By Kenna Hughes-Castleberry published
Aboard the International Space Station, astronauts use creativity and culture to make life in orbit feel a little more like home.

33 hungry SpaceX Raptors from below | Space photo of the day for Sept. 1, 2025
By Kenna Hughes-Castleberry published
The view underneath SpaceX's Starship spacecraft shows the Super Heavy booster's complex array of 33 Raptor engines.

Pluto quiz: Can you figure out this dwarf planet?
By Kenna Hughes-Castleberry published
Think you know Pluto? From icy plains to planetary debates, this quiz dives deep into the mysteries of our solar system’s most controversial—and captivating—dwarf planet.

Neptune Know-It-All: A Neptune trivia quiz
By Kenna Hughes-Castleberry published
In this quiz, you’ll test your knowledge of Neptune's features, moons, and the science that keeps astronomers fascinated.

Uranus quiz: Do you know the Tilted Planet?
By Kenna Hughes-Castleberry published
This quiz will challenge your knowledge of Uranus's strange rotation, chilly atmosphere, and curious collection of moons.

NASA puts asteroid Bennu under the microscope | Space photo of the day for Aug. 29, 2025
By Kenna Hughes-Castleberry published
The near-Earth asteroid's microscopic surface tells a detailed story.

Where no gourd has gone before | Space photo of the day for Aug. 28, 2025
By Kenna Hughes-Castleberry published
The USS Enterprise, a 'Star Trek' spaceship, is created from pumpkins as part of a German contest.

Moon photobombs the sun in wild NOAA satellite image | Space photo of the day for Aug. 27, 2025
By Kenna Hughes-Castleberry published
The National Oceanic and Atmospheric Administration (NOAA) saw the moon pass almost directly in front of the sun and captured it on a coronagraph.

Mars quiz: How well do you know the Red Planet?
By Kenna Hughes-Castleberry published
This quiz will challenge your knowledge of Mars' features, missions, and mysteries.

ISS astronaut captures Egypt's glittering Nile River at night | Space photo of the day for Aug. 26, 2025
By Kenna Hughes-Castleberry published
The chain of lights shows the river's corridor from Minya to New Bani Sewf City to the heart of Cairo.

Venus quiz: How much do you know about this hottie?
By Kenna Hughes-Castleberry published
This quiz will test your knowledge of Venus' wild weather, strange geology, and mythological roots.

Radio dish on the move | Space photo of the day for Aug. 25, 2025
By Kenna Hughes-Castleberry published
It makes it easier to drive an extremely heavy radio dish when you can do it remotely.

Put a ring on it: Saturn trivia quiz!
By Kenna Hughes-Castleberry published
Could you be the Lord of the rings (of Saturn)? Try your hand at our Saturn-themed space quiz!

Jupiter quiz: Think you know about the Jovian gas giant?
By Kenna Hughes-Castleberry published
This quiz will challenge your knowledge of Jupiter's features, moons, and the missions that have dared to get close.

NASA's Hubble telescope watches supernova explosion | Space photo of the day for Aug. 22, 2025
By Kenna Hughes-Castleberry published
This powerful side-by-side comparison shows just how bright a star explosion is.

Curiosity rover images 3 intersecting Mars ridges | Space photo of the day for Aug. 21, 2025
By Kenna Hughes-Castleberry published
As part of its exploration of Mars's boxwork landscape, Curiosity found itself in a fork-in-the-road

Test your true terrestrial trivia with our Earth quiz!
By Kenna Hughes-Castleberry published
This quiz will explore the science behind the scenery, the facts behind the familiar, and the wonders that make Earth a living planet.

Semiconductor wafer on ISS goes under the microscope | Space photo of the day for Aug. 20, 2025
By Kenna Hughes-Castleberry published
This is part of a NASA-supported project hoping to fabricate "device-ready" wafers from space-grown crystals.

Wheelie smart: A space quiz about rovers
By Kenna Hughes-Castleberry published
This quiz is dedicated to the mechanical marvels that have rolled across the surfaces of alien worlds: the iconic space rovers!

Artemis 2 astronauts practice photographing the moon | Space photo of the day for Aug. 19, 2025
By Kenna Hughes-Castleberry published
NASA's Artemis 2 astronauts are gearing up for their planned 2026 moon launch by photographing an inflatable version of Earth's nearest neighbor.

Think you know our solar system's dwarf planets? Test your skills with our new quiz!
By Kenna Hughes-Castleberry published
Pluto isn't the only dwarf planet residing in our solar system. Try your hand at naming the others!

SpaceX's Super Heavy booster will fly with fresh 'grid fins' | Space photo of the day for Aug. 18, 2025
By Kenna Hughes-Castleberry published
Like birds returning to their nests, these feather-like grid fins help steer rockets back down through the atmosphere toward their landing zones.
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