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Marta Hill

Marta Hill

Marta Hill is a science journalist based in New York City and a former intern at Smithsonian magazine. She is a part of the 2025 class of New York University’s Science, Health and Environmental Reporting Program. Her work has appeared in the Transmitter, Eos, Boston.com and more.

Stories from this author

A supermoon rises over Washington, D.C., on December 3, 2017.

The Year’s First Bright Supermoon and the Colorful Quadrantid Meteor Shower Coincide This Weekend

The dual celestial events will ring in the new year, although the luminous “wolf” supermoon may hamper skywatchers’ view of the shooting stars

The Polar Bear Swim in Vancouver in 1978. Lisa Pantages, second from the left, will complete her 64th annual plunge this New Year’s.

‘Excitement With a Little Dash of Fear’: Polar Plunges Ring in the New Year With a Splash. But What Actually Happens to Your Body?

Three experts share the science behind taking a dip in cold water—and offer safety tips that any potential plungers should bear in mind

Flat-headed cats are rarely observed in the wild, in part because of their nocturnal habits.

This Wild Cat Is Considered ‘Possibly Extinct’ in Thailand. Researchers Just Caught It on Camera for the First Time in About 30 Years

Findings from the largest-ever survey of endangered flat-headed cats may help change the species’ official conservation status in Thailand

The Radio City Rockettes seen backstage before Saks Fifth Avenue's holiday light show and window unveiling, November 24, 2025

After a Century, the Rockettes Are Still Kicking Their Way Into American Hearts

In 1925, the dance company got its start in St. Louis, and it has since grown to be a Christmas season staple

In 2025, researchers watched an interstellar comet, learned about human origins and traced the spread of measles.

The Ten Most Significant Science Stories of 2025, From Medical Breakthroughs to an Interstellar Visitor

All year long, these moments captivated the public, demonstrated dangerous trends, and pushed research and innovation forward

Each strand of yarn traces the tracks that make up an ancient trackway.

This Site in Bolivia Boasts 16,600 Exposed Dinosaur Footprints—The Most Ever Found in One Location

Paleontologists counted the record-setting tracks and uncovered evidence of dinosaurs swimming and dragging their tails along what was a muddy superhighway for the animals millions of years ago

A microscope image of HIV particles, in red, replicating from an infected cell, in blue.

A New Trial Put Immune System-Boosting Therapies to the Test to Fight HIV, Raising Hopes for Keeping the Virus at Bay

In the small study, seven out of ten participants maintained low levels of HIV for several months after receiving the experimental treatment and stopping their usual daily medications

Earth’s magnetic field surrounds the planet, with illustrated field lines emerging from the north, in orange, and looping around to the south, in blue.

A Weak Spot in Earth’s Magnetic Field Is Growing, but Scientists Say Not to Worry. Here’s a Look at What Shields Us From Space Weather

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t pose a threat to life

The Hayli Gubbi volcano in the rural northeast of Ethiopia erupted November 23.

Ethiopian Volcano Erupts for the First Time in Nearly 12,000 Years of Scientific Records

The plume from the Hayli Gubbi volcano drifted east over the Arabian Sea and extended roughly 2,200 miles

A raccoon peers out from a tree. New research suggests urban raccoons in the United States have shorter snouts than rural raccoons do, a sign of potential domestication.

Urban Raccoons Are Showing Signs of Early Domestication, With Shorter Snouts Than Their Rural Cousins

The shorter faces of these city-dwelling trash bandits offer a telltale sign of domestication and line up with a leading hypothesis about animals that adapt to human-dominated environments, according to a new study

A bee buzzes by a hybrid magenta-and-yellow snapdragon.

Colorful Snapdragons in the Valleys of the Pyrenees Offer a Rare Window Into How Evolution Happens

Studying the ways that magenta and yellow flowers intermingle paints a vibrant picture of how the plants exchange genetic information—and what keeps each color variety unique

Two chimpanzees sit in the Ngamba Island Chimpanzee Sanctuary in Uganda, where the study took place.

Chimpanzees Weigh Evidence to Make a Smart Choice, in a Process Resembling Human Rationality

When presented with multiple clues about the location of food, chimps revised their choices based only on stronger clues, indicating they were comparing the worth of pieces of information

Six species of North American bats—big brown bats (pictured), eastern red bats, Seminole bats, southeastern myotis, gray bats and Brazilian free-tailed bats—glow green under ultraviolet light, new research shows.

These Bats Glow Green Under UV Light, Joining a Growing List of Photoluminescent Mammals

A recent study identifies a consistent glow across six species of North American bats, but the underlying reason for the animals’ green gleam is still unclear

Ian and Stuart Paton pose with their world record pumpkin, nicknamed Muggle. The pumpkin weighs 2,819.3 pounds.

The Giant Pumpkin World Record Just Crept Closer to 3,000 Pounds. Here’s How Science, Sweat and ‘Soul Crush’ Keep Growers Reaching for the Heaviest Fruit Possible

Twin brothers in the United Kingdom grew the biggest pumpkin ever documented, tipping the scales at 2,819.3 pounds

A mother breastfeeds a baby at home

Breastfeeding Has Long Been Linked to Reducing Cancer Risk. Scientists May Have Just Discovered Why

Patients with a history of breastfeeding showed higher levels of specialized immune cells in their breasts that may protect against malignant cancers

An illustration shows the types of megafauna that may have lived near Australia's Mammoth Cave about 50,000 years ago. From left to right: Murrayglossus hacketti, a giant long-beaked echidna; Procoptodon browneorum, the giant kangaroo whose bone is the subject of new research; Zygomaturus trilobus, a giant diprotodontid; and Thylacinus cynocephalus, a Tasmanian Thylacine

A Giant Kangaroo Bone Is Challenging the Idea That Humans Wiped Out Australia’s Megafauna

Indigenous Australians may have been early “paleontologists,” not big-game hunters, according to a new analysis

A close-up of a gum leaf skeletonizer caterpillar, also known as a "Mad Hatterpillar" because of its distinctive stacked head capsules, left behind with every molt. The photo won the invertebrate behavior category.

See 15 Wondrous Winning Images From the 2025 Wildlife Photographer of the Year Awards

The eye-catching wildlife photos highlight both the beauty and the harsh realities of nature

Members of the Nobel Committee for Chemistry hold a model of a metal-organic framework during the 2025 prize announcement in Stockholm on October 8.

Architects of a New Kind of Molecular Structure Win Nobel Prize in Chemistry

Metal-organic frameworks can store huge amounts of gas in a tiny space—enabling advances that could help humans fight climate change and tackle other challenges

Nobel Committee member Göran Johansson explains elements of quantum mechanics during a press conference to announce the winners of the 2025 Nobel Prize in Physics on October 7 in Stockholm.

Three Scientists Receive Nobel Prize in Physics for Pioneering Work That Put Quantum Mechanics on a ‘Human Scale’

The trio’s research in the 1980s demonstrated a bizarre quantum phenomenon in a way people could see and hold

Nobel Committee Secretary-General Thomas Perlmann addresses journalists during an October 6 press conference announcing the 2025 Nobel Prize in Physiology or Medicine in Stockholm, Sweden.

Trio of Researchers Awarded Nobel Prize for Groundbreaking Discovery of Immune Cells That Prevent Autoimmune Disease

Mary Brunkow, Fred Ramsdell and Shimon Sakaguchi’s research revealed a new class of cells shaking up scientists’ understanding of the human immune system

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