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A surfer rides a wave during a competition in the Ngor district of Dakar, Senegal, the most westerly point of mainland Africa.

Big Waves Meet Biodiversity: Why Surfing Paradises Could Offer a Key Opportunity for Marine Conservation

A recent mapping study examines places in northwestern Africa where coastal ecosystems overlap with surf breaks, highlighting areas that could support recreation, the environment and local economies, if protected

With Eco Purge, Arya Satheesh won the European category of the 2026 Earth Prize, the largest environmental competition in the world for young students. She was awarded $12,500 to continue to develop her prototype.

This High Schooler Invented a Plant-Based Plastic That Removes Microplastics From the Environment as It Biodegrades

Eighteen-year-old Arya Satheesh created her award-winning Eco Purge to help address the global problem of plastic pollution

A digital illustration of typical prokaryotes—cells that do not contain a nucleus. Bacteria and archaea are the two kinds of prokaryotes on Earth, and their ancestors were the first organisms to evolve.

A New Study Points to Two Origins of Life on Earth by Tracing Early Chemical Reactions in Single-Celled Organisms

The work challenges the assumption that all life descended from one free-living cell. Instead, it suggests that two microbial lineages, the bacteria and archaea, evolved independently from a primordial, nonliving ancestor

The dominant female wolf of Yellowstone's Canyon pack on February 26, 2015

Rooted in the American West: Food, History and Culture

Yellowstone Is Among the World’s Best Places to See Wild Wolves. Here’s the Story of the Animal Called Both ‘Public Enemy’ and Cultural Icon

A century ago, resident wolves were eliminated from the park. In 1995, biologists brought them back, marking a historic reintroduction of a top carnivore

Of the estimated 899 species of ticks worldwide, about 90 are found in the continental U.S.; however, only four species are responsible for most of the infections found in the U.S. today.

The First At-Home Test for Infected Ticks Could Improve Lyme Disease Diagnosis

LymeAlert will hit the market in August. The latest tool against the tick-borne illness could become a medicine cabinet staple

A blacktip shark, above, looks and behaves like a spinner shark. Scientists are tracking spinner sharks to get a clearer idea of the species' whereabouts.

These Shark Look-Alikes Have Long Confounded Fishers and Scientists on the East Coast. Tracking Where They Migrate Could Help Clear the Confusion

Researchers are tagging and tracking spinner sharks to map out their geographic distribution, because they’ve seen that the range of the very similar blacktip shark has shifted

Among medical fields, radiology has pioneered the adoption of A.I. tools. Yet combining the complementary strengths of human and machine intelligence is not straightforward.

How A.I. Will Reshape Radiology—Without Replacing Radiologists

Human experience and flexibility are still necessary even as digital diagnostic tools improve

A copy of the first daguerreotype photograph of a total solar eclipse

A Little-Known Photographer Captured the First Clear Image of a Total Solar Eclipse 175 Years Ago. Today, These Celestial Events Still Reveal the Mysteries of the Sun

Ever since that first daguerreotype on a light-sensitive metal plate, eclipse observations have continued to unveil the star’s corona and bring people together to experience the solar system’s majesty

An overview of the excavated track surface with a mix of deeper hippopotamus and antelope footprints and shallower hominin tracks visible

Ancient Fossil Footsteps Found in Kenya May Hint That an Early Human Relative Was Larger Than Previously Thought

The trackway sheds light on how some hominins moved around their environments and with one another

A 52-foot-long model of a female Otodus megalodon is suspended from the ceiling at the Smithsonian National Museum of Natural History.

Predatory Sharks Grew to Enormous Sizes in Prehistoric Times. These Five Strategies Helped Them Get So Big

By cannibalizing their siblings in the womb or avoiding meat-eating pliosaurs, fearsome carnivores like the megalodon ballooned to proportions that would dwarf any shark alive today

Finland's Lake Saimaa is 111 miles long, 87 miles wide, dotted by about 14,000 islands, pierced by dozens of narrow straits, and surrounded by sheltered bays perfect for ringed seal breeding.

Before Cultural and Natural Wonders Earn UNESCO World Heritage Status, They Are Put on a ‘Tentative’ List. Here Are Five Nominees Worth Visiting Now

Featuring more than 1,800 sites from 181 countries and territories, UNESCO’s tentative list is a treasure trove of lesser-known marvels

Fruit grows on a native avocado tree in southern Mexico

Ancient Genes Reveal That Big, Bright Avocados Were Carried Through the Americas Thousands of Years Ago

People brought large avocado seeds from South America to Central America, kicking off a burst of diversity for the fruit

Mount Rainier, an active volcano about 60 miles away from Seattle, has sent fast-moving mudflows known as lahars down its slopes before. Scientists just calculated a date for the most recent one.

A Massive Flow of Rock and Mud Tumbled Down Mount Rainier Centuries Ago. Scientists Pinpointed Its Date to Better Understand the Volcano’s Complex Threats

In a recent study, researchers dated a historic lahar called the Electron Mudflow to the summer of 1507, establishing a way to determine when past geologic events around the Puget Sound occurred

Known as Yowjab to Indigenous Australians, the inshore reef covers about 100,000 acres.

For Three Hours Every Day, Open Ocean Transforms Into Australia’s ‘Ghost’ Reef

An isolated wonder some 1,200 miles from the nearest city, Montgomery Reef disappears as quickly as it appears, mirroring the supposed vanishing of its original owners, a tribe of Indigenous giants

Ammonites swam in the Western Interior Seaway that once covered a large portion of North America. These iridescent fossils from South Dakota, around 69–72 million years old, preserve inner shell layers made of aragonite, the same mineral that gives pearls their luster.

An Ancient Sea Once Split North America Down the Middle. The Beautiful Multicolored Ammonite Shells From Its Waters Are So Perfectly Preserved That They Still Shimmer Today

Spectacular marine fossils tell the story of the long-gone Western Interior Seaway and the planet’s past aquatic life

To turn shrimp shells into a feedstock for hydrogen gas production, the process begins with mashing the shells into a rust-colored shrimp slurry.

How Shrimp Shells Are Being Turned Into ‘Carbon Negative’ Fuel, Food and Construction Materials

Engineers in Singapore have developed a new, multistep chemical process that transforms organic waste into useful, sustainable products

Interstellar object 3I/ATLAS, imaged here with its broad coma of gas and dust, has captivated astronomers since its discovery on July 1, 2025.

A Rare Comet Made History as the Third Known Interstellar Object to Fly Through Our Solar System. Studies Are Now Revealing the Mysterious Conditions in Which It Formed

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a peripheral region of a relatively calm planetary system

A North Atlantic right whale swims with dolphins around its head in the Stellwagen Bank National Marine Sanctuary east of Boston.

Speed Limits for Ships Protect Endangered Right Whales From Vessel Strikes. Could the Animals Survive Without Them?

Since 2008, rules requiring ships to slow down to avoid collisions with North Atlantic right whales have reduced fatalities of the critically endangered animals. Now, NOAA is calling the regulations into question, raising concerns for the mammals’ future

Cells suspended in a water-based gel make up the “ink” in this 3D printer.

Can Printed ‘Skin’ Heal Burns and Prevent Scars?

Inks created with a patient’s own cells may one day help the body regrow tissues

Two fossils of juvenile embolomeres—crocodile-like creatures, illustrated here—suggest that they did not undergo metamorphosis to become adults and that the ancestors of today’s birds, mammals, reptiles and amphibians might not have had a tadpole life phase.

A Vietnam Veteran Collected Fossils for 66 Years. One, Mislabeled ‘Baby Lamprey,’ Made Paleontologists Reconsider How Vertebrates Moved From Water to Land

The fossil turned out to be a hatchling of a crocodile-like creature, and it suggests, according to a new study, that early animals did not use metamorphosis to evolve to dwell on land

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