Shi En Kim

Shi En Kim

 

Shi En Kim is a Washington, D.C.-based freelance science journalist. Her work has appeared in National Geographic, Scientific American, the Atlantic, Popular Science and others. In 2021, she interned at Smithsonian magazine as an AAAS Mass Media Fellow.

Jupiter's moon Ganymede is the largest moon in the solar system and is even wider than the planet Mercury.

An Ancient Asteroid Smashed Into Jupiter's Moon Ganymede and Tipped It Over, Study Finds

The cataclysmic impactor was 20 times the size of the rock that wiped out the dinosaurs on Earth

Gerard Barron, chairman and CEO of The Metals Company, holds a nodule retreived from the seafloor in the Clarion Clipperton Zone of the Pacific Ocean in 2021. The company plans to mine for these nodules, which researchers suggest produce oxygen underwater.

Scientists Discover 'Dark Oxygen' on the Ocean Floor Generated—Surprisingly—by Lumps of Metal

Researchers found that electric currents from polymetallic nodules are behind this alchemy—the same minerals that deep-sea miners are targeting

A cyclist in Uttenweiler, Germany, rides toward the rising sun on July 21, 2024, which briefly held the title of the hottest day on record, until it was broken again one day later.

Earth Reached Its Hottest Day on Record Twice in a Row This Week

The global average surface temperature soared to 17.15 degrees Celsius on Monday, or 62.87 degrees Fahrenheit, breaking a short-lived record set on Sunday

A composite image of Jupiter, taken by the Juno spacecraft

The Seven Most Amazing Discoveries We’ve Made by Exploring Jupiter

The giant planet is a world of extremes

This false-colored image of Mercury reflects the varying age and mineral composition of the surface.

The Seven Most Amazing Discoveries We’ve Made by Exploring Mercury

Only two robotic missions have made it to the Swift Planet, but they were crucial for upending many false assumptions of that sun-scorched world

Europa’s icy surface hides an ocean of liquid water underneath, making it a prime target in the search for extraterrestrial life.

See the Messages NASA Will Send to Space on Its Upcoming Mission to Europa

A metal plate affixed to the Europa Clipper is engraved with a poem, tributes to scientists and waveforms representing the word "water" in 103 languages, among other drawings

NASA’s Mariner 10 spacecraft captured this view of Venus. The world has blistering surface temperatures, crushing atmospheric pressure and clouds of corrosive acid.

The Six Most Amazing Discoveries We’ve Made by Exploring Venus

Our sister planet’s cloudy exterior gave it an aura of mystery—until humanity developed the technology to probe past the veil

An artist’s illustration of Glikmanius careforum swimming beneath Troglocladodus trimblei in ancient waters.

Paleontologists Discover Two New Shark Species From Fossils in Mammoth Cave National Park

The "active predators" prowled the oceans more than 325 million years ago, before the time of Pangea

The full moon, as seen from Granada, Spain. A new study suggests the moon is shrinking, causing moonquakes that could interfere with planned lunar missions.

The Moon Is Shrinking, Causing Moonquakes at a Potential NASA Landing Site, Study Finds

Though the risk to astronauts is low, the shaking could cause landslides and impact potential long-term settlements at the lunar south pole

Ocean drainage basins of the world

These Entrancing Maps Capture Where the World's Rivers Go

Cartographer Robert Szucs uses satellite data to make stunning art that shows which oceans waterways empty into

Plastics break down over time into micro- and nanosized particles that litter our water and air.

One Liter of Bottled Water May Contain 240,000 Tiny Plastic Fragments

A new technique reveals that the liquid may contain 10 to 1000 times more plastic pieces than previously thought

Sultan al-Jaber, the president of COP28, and other participants at the conference applaud. The final document resulting from COP28 mentioned transitioning away from fossil fuels, rather than phasing them out over time.

The Six Biggest Takeaways From COP28

The United Nations climate change conference drew praise for new pledges and criticism for watered-down language

Our ten favorite science books of the year covered everything from astronomy to undersea exploration.

The Ten Best Science Books of 2023

From stories on the depths of the ocean to the stars in the sky, these are the works that moved us the most this year

In 1980, the Viking Orbiter took 102 individual images of Mars that scientists eventually assembled into this stunning composite photo. The dark gash across the planet’s face is the Valles Marineris, a canyon that’s up to 6 miles deep and over 2,500 miles long.

The Seven Most Amazing Discoveries We’ve Made by Exploring Mars

Scientists have learned a lot since they started sending crafts and rovers to our red neighbor

On August 10, homes, buildings and the harbor in Lahaina are burned to the ground after wildfires swept through Maui.

How Swaths of Invasive Grass Made Maui's Fires So Devastating

Scientists have long warned that Hawaii's cover of nonnative shrubs is kindling waiting to burn

The surface of Mars’ Pontours rock contains a network of hexagonal mud cracks that hints at historical seasons of flooding and drying.

Mud Cracks on Mars Hint at Conditions That Could Have Formed Life Long Ago

Hexagonal ridges on the Red Planet's surface suggest an ancient cycle of wet and dry periods, ideal for creating molecules necessary for cells

Egyptian paleontologists Abdullah Gohar, Mohamed Sameh and Hesham Sallam are part of the study team that discovered the fossil and identified the new species of basilosaurid whale.

Fossil of Tiny, Extinct Whale Discovered in Egypt, Named for King Tut

The species was around the size of a bottlenose dolphin and thrived 41 million years ago

This year’s picks include Fresh Banana Leaves, Origin and Starry Messenger.

The Ten Best Science Books of 2022

From a detective story on the origins of Covid-19 to a narrative that imagines a fateful day for dinosaurs, these works affected us the most this year

Webb’s 18 mirror segments can lock into the largest telescopic mirror humankind has ever built.

The Five Big Ways the James Webb Telescope Will Help Astronomers Understand the Universe

The highly awaited observatory is set to break new ground in many areas of astronomical research

Spider silk is more than just a web for snaring prey.

Fourteen Ways That Spiders Use Their Silk

From making parachutes to building scuba tanks, the arachnids have come up with some fascinating creations

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