Christian Thorsberg

Christian Thorsberg

Christian Thorsberg is an environmental writer and photographer from Chicago. His work, which often centers on freshwater issues, climate change and subsistence, has appeared in Circle of Blue, Sierra magazine, Discover magazine and Alaska Sporting Journal.

The cat-eyed snake slithers in the Peruvian Amazon.

A Serpentine 'Explosion' 125 Million Years Ago Primed Snakes for Rapid, Diverse Evolution

Researchers say an evolutionary "singularity" led to several small, quick changes in snake species, from legless bodies and flexible skulls to chemical-sensing abilities

Weliton Menário Costa dances in "Kangaroo Time," his winning music video about kangaroo behavior research.

Watch This Year's 'Dance Your PhD' Contest Winner, a Musical Celebration of Kangaroo Behavior

“Kangaroo Time” took home the competition’s overall prize, while interpretive dances on early life adversity, circadian rhythms and streambank erosion were also honored

Joro spiders aren't particularly bothered by the vibrations of a busy city environment.

Joro Spiders, Spreading in the Southeast, Can Survive Surprisingly Well in Cities

Unlike most spiders, the hustle and bustle of urban areas doesn’t seem to disturb the non-native Joros, a new study finds

An artist's illustration of how a Neanderthal may have used an early stone tool, with a handle made from an adhesive mixture of ocher and bitumen.

Neanderthals Made a Special Glue to Engineer Grips for Stone Tools, Study Suggests

An analysis of forgotten museum artifacts reveals the oldest evidence of a complex adhesive in Europe

Northern gannets plunge into the water to hunt in Shetland. This image won the British Waters Wide Angle category.

See 15 Otherworldly Images From the Underwater Photographer of the Year Awards

A hunting monkey, 'kissing' scorpionfish and playful dolphins feature in just a few of the 130 striking photographs distinguished with honors in the competition

A single locust swarm can comprise between four billion and eight billion individual insects.

Giant Locust Swarms Could Expand to New Areas With Climate Change, Study Suggests

In the coming decades, erratic periods of rain and drought could create new hot spots for the ravenous grasshoppers in west India and west central Asia, threatening crops and food security

An illustration of the ERS-2 satellite.

A 5,000-Pound Satellite Is Falling Back to Earth This Week—and Will Likely Land in the Ocean

The reentry of the satellite, called ERS-2, is part of an intentional effort by the European Space Agency to reduce orbital debris

The world's oldest living wild platypus (not pictured) is nearly 24 years old.

The World's Oldest Wild Platypus Shocks Scientists at 24 Years of Age

The animal was tagged in 2000, when it was estimated to be about one year old, and re-discovered alive in the wild last year

In a study of great apes' playful antics, chimpanzees seemed to enjoy slapping adults, especially those that were dozing off.

Great Apes Love to Tease, Poke and Pester, Suggesting the Urge to Annoy Is Millions of Years Old

The desire to get a rise out of others is a 13-million-year-old trait humans and great apes share with a common ancestor, new research suggests

A reconstruction of how the newly discovered wall could have served as a hunting structure during the Stone Age, trapping deer alongside a body of water.

Stone Age Wall Discovered Beneath the Baltic Sea Helped Early Hunters Trap Reindeer

Made up of some 1,600 stones, the submerged “Blinkerwall” might be Europe's oldest known megastructure

An etching of Darwin's study, commissioned a week after he died.

See What Charles Darwin Kept in His 'Insanely Eclectic' Personal Library, Revealed for the First Time

On the English naturalist's 215th birthday, more than 9,000 titles from his expansive collection are now accessible online

In a photo illustration, a hawk moth lands on a flower with an exhaust pipe polluting the interaction.

Air Pollution Makes Flowers Smell Less Appealing to Pollinators, Study Suggests

Nocturnal hawk moths are less likely to visit primroses in air polluted by nitrate radicals, which break down important wild fragrances, researchers find

Dry and cracked ground at the La Vinuela reservoir near Málaga, Spain, last year. Reservoirs in the country's Catalonia region have fallen to 16 percent capacity amid years of drought and extreme heat.

Earth Clocks Hottest January on Record, Marking 12 Months Above 1.5 Degree Celsius Warming Threshold

Though the world has not officially breached the Paris Agreement, the historic heat on land and at sea is a "significant milestone"

Io, Jupiter's third-largest moon, photographed by NASA's Juno spacecraft.

See Detailed New Images of Io From Another NASA Flyby of the Solar System's Most Volcanic World

The stunning views show lava flows and volcanic plumes, as scientists seek to learn what causes such volatile conditions on the moon of Jupiter

Orange elephant ear sponge, in the Gulf of Mexico.

Ocean Sponge Skeletons Suggest a More Significant History of Global Warming Than Originally Thought

Analysis of the sea creatures’ skeletal chemistry suggests the world’s temperatures have increased by 1.7 degrees Celsius since pre-industrial times

Common clownfish have three white stripes, which they "count" to identify other members of their species as potential threats, a new study suggests.

Clownfish Can 'Count' Stripes on Other Fish to Identify Intruders, Study Suggests

Notoriously aggressive, common clownfish may be using basic mathematics to determine if another fish is a friend or foe

The newly discovered tree would have supported a wide crown of leaves over a narrow trunk, scientists say.

Rare Fossil Shows Trees Looked Very Different 350 Million Years Ago

The newly discovered specimen looks like something from the imagination of Dr. Seuss, and it sheds light on a little-understood era of prehistory

The Hohle Fels baton, made from 15 pieces of ivory unearthed in 2015.

Stone Age People Used This 35,000-Year-Old Woolly Mammoth Tusk Tool to Make Rope, Scientists Say

To test their hypothesis that the perforated object was a tool, researchers used a replica to create a 16-foot-long rope from cattail reeds

A hermit crab wears the top of a broken bottle as a shell.

Hermit Crabs Are Using Trash as Shells Across the World, Scientists Find

Researchers analyzed photographs of the crustaceans online, identifying nearly 400 examples of artificial shells, which were often plastic bottle caps

A mother "Dorado" octopus, one of the newly announced species, protects her eggs some 3,000 meters under the ocean's surface.

Biologists Discover Four New Octopus Species in the Deep Ocean Off Costa Rica

One species was found brooding eggs near low-temperature hydrothermal vents, a rare sight that could unlock new information on deep-sea cephalopods

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