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The 113-million-year-old fossil of Vulcanidris cratensis is the first known hell ant preserved in rock rather than amber.

Scientists Discover the Oldest Known Ant Fossil, a 113-Million-Year-Old ‘Hell Ant’ Preserved in Rock in Brazil

The odd-looking specimen with scythe-like jaws indicates that early ants were spread widely across the globe while dinosaurs still roamed

One of the flags is decorated with 13 interlocking gold rings labeled with the names of the first 13 states.

America's 250th Anniversary

See the Colorful Flags That the Patriots Unfurled as They Fought in the American Revolution

At the Museum of the American Revolution in Philadelphia, a new exhibition has gathered together 17 historic flags that served as symbols of liberty

A "bone collector" caterpillar sits in a cobweb with a spider and its egg sac. The newly discovered moth species disguises itself as a larva by covering itself with insect parts.

Researchers Discover a Rare, Carnivorous Caterpillar That Wears Dead Insect Parts to Fool Spiders

The species, dubbed the “bone collector,” belongs to an ancient lineage of moths older than the Hawaiian island of Oahu, which is the only place it’s known to live today

Researchers analyzed indentations in the skeleton's pelvis.

New Research

Bite Marks on Ancient Skeleton Reveal First Physical Evidence of Roman Gladiators Fighting Lions

Researchers compared the markings found on an ancient skeleton in England to bones that had been chewed on by cheetahs, lions, tigers and leopards in present-day zoos

Officials say they made the decision to euthanize hundreds of koalas for the creatures' welfare after a bushfire in Victoria.

Authorities Snipe Hundreds of Koalas From Helicopters in Controversial ‘Aerial Cull’ in Australia

Between 600 and 700 of the marsupials were killed from the air, likely for the first time in the country’s history. Officials say the decision, which has prompted backlash, was made to minimize the animals’ suffering after a bushfire

Cassandra Austen's 1795 hand-drawn copy of a plate from a 1786 drawing instruction manual

See the Forgotten Paintings Made by Jane Austen’s Older Sister, Cassandra

A new exhibition at the Jane Austen House in England includes six artworks that are going on public display for the first time

A newly developed A.I. model is based on 40 years of vocalizations from a community of Atlantic spotted dolphins.

Google Is Training a New A.I. Model to Decode Dolphin Chatter—and Potentially Talk Back

The company says its new model, called DolphinGemma, will be made open source this summer. Researchers are also trying to train dolphins to mimic made-up names for certain objects

Filmmaker Steven Spielberg was among the 2025 recipients of the Portrait of a Nation Award.

Meet This Year’s Winners of the Portrait of a Nation Award, Including Steven Spielberg and Temple Grandin

Portraits of the honorees, who have made “transformative contributions to the United States,” will be added to the permanent collection of the Smithsonian’s National Portrait Gallery

For 25 of the 26 years the American Lung Association has reported State of the Air, Los Angeles—pictured here in smog—has been declared the city with the worst ozone pollution in the United States.

Nearly Half of Americans Still Live With High Levels of Air Pollution, Posing Serious Health Risks, Report Finds

The most recent State of the Air report by the American Lung Association found that more than 150 million Americans breathe air with unhealthy levels of ozone or particle pollution

Flowers and Fruit in a Forest, Rachel Ruysch, 1714

Art Meets Science

See the Flower Paintings of Rachel Ruysch, Whose Stunning Still Lifes Are Finally Getting the Attention They Deserve

The Dutch “old mistress” was renowned in her own lifetime. But since her death 275 years ago, her legacy has been largely forgotten

Researchers took a closer look at fossilized footprints—including these cat-like tracks—found at John Day Fossil Beds National Monument in Oregon.

50-Million-Year-Old Footprints Open a ‘Rare Window’ Into the Behaviors of Extinct Animals That Once Roamed in Oregon

Scientists revisited tracks made by a shorebird, a lizard, a cat-like predator and some sort of large herbivore at what is now John Day Fossil Beds National Monument

Bleached coral on the Great Barrier Reef

The Worst Bleaching Event on Record Is Hitting Most of the World’s Coral Reefs

Scientists are alarmed by the ongoing crisis, with deteriorating conditions harming marine life in the tropics and beyond

An artistic rendering of an exoplanet in a tight orbit, followed by a dusty, comet-like tail of debris.

Astronomers Discover a Doomed Exoplanet That’s Crumbling Away and Leaving Behind a Comet-Like Tail

The planet orbits its host star in just 30.5 hours, losing a mass of material roughly equal to Mount Everest each time

The antler fragment seen from multiple angles

New Research

This Intricately Decorated Deer Antler Was Used as a Battle Ax Before Being Repurposed as a Fishing Harpoon

During the sixth millennium B.C.E., carvers in present-day Sweden etched patterns into the artifact before redecorating it in a new style. It was likely deposited into a river as part of a ritual

An artist's impression of the Late Cretaceous crocodilian Deinosuchus riograndensis and a much smaller, early alligator relative.

The Ancient ‘Terror Crocodiles’ of North America Weren’t Alligators After All, DNA and Fossils Suggest

A new study indicates the giant reptile Deinosuchus is not a close relative of modern alligators, as scientists previously thought, and it might have thrived by tolerating saltwater

The commemorative watch was given to Armstrong at a gala dinner in Houston in November 1969.

A Gold Watch That Belonged to Astronaut Neil Armstrong Sold for $2.1 Million at Auction

The commemorative timepiece is similar to the one that Armstrong and other NASA astronauts wore in space

Celebration of the Ommegang in Brussels: The Procession of Our Lady of the Sablon, Denis van Alsloot, 1616

Art Meets Science

How Many People Are in This Painting? The Prado Museum Is Using A.I. to Find Out

With the help of a tech start-up, the Madrid museum is enlisting technology to quantify large crowds in its artworks and boost visitor engagement

Microscopic images of the bacteria and mycelium scaffolds. The circles indicate the likely presence of S. pasteurii bacteria.

New, ‘Living’ Building Material Made From Fungi and Bacteria Could Pave the Way to Self-Healing Structures

Researchers are developing the biomaterial as a more environmentally friendly alternative to concrete, but any wide-scale use is still far away

Chattanooga was once one of the most polluted cities in the country. Now, it's North America's first National Park City.

Chattanooga Just Became North America’s First National Park City. Here’s What That Means

The designation was awarded by a London-based charity that aims to make cities more like national parks: “greener, healthier and wilder”

A book bound in Corder's skin has been in the museum's collections since the 1930s. The second copy was given to the museum several decades ago.

Recently Rediscovered Book Bound in Human Skin Goes on Display in England

Curators think the volume’s corners and spine are bound in the skin of William Corder, an infamous criminal who was convicted of murder in the late 1820s

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