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The tracks were found at site that was once a muddy river plain.

Paleontologists Discover Massive Dinosaur Tracks in China, Hinting at One of the Largest Known Raptors

The footprints, left behind by a 16-foot-long creature some 96 million years ago, represent the biggest raptor tracks ever found

A golden figure from the 7th century found at the Avar cemetery in Rákóczifalva, Hungary

New DNA Analysis Unravels the Marriage Practices of an Ancient Warrior People

Researchers examined over 400 skeletons to uncover secrets from the Avar empire

The weapon is the only Islamic-era sword ever discovered in Valencia.

Cool Finds

Spain's 'Excalibur' Sword, a 1,000-Year-Old Weapon Found Buried Upright, Reflects the Region's Rich Islamic History

Discovered in Valencia in 1994, the iron blade was recently dated to the tenth century, when the Umayyad Caliphate controlled the Iberian Peninsula

Doctors perform a pig kidney transplant on April 12. So far, the patient is recovering well, but doctors will need to continue to monitor her in the hospital and make sure her immune system doesn't reject the transplanted organ.

Second Patient Receives Gene-Edited Pig Kidney Transplant in Breakthrough Surgery

The woman, 54-year-old Lisa Pisano, also received a mechanical heart pump implant days earlier, making her the first person to undergo both procedures

The statue was unveiled on what would have been Elizabeth's 98th birthday.

New Statue Honors Elizabeth II—and Her Beloved Corgis

The seven-foot-tall bronze monument is billed as the "first permanent memorial" to the late queen

Police recovered Salvator Rosa's A Rocky Coast, With Soldiers Studying a Plan, from a man in Romania.

Lost 17th-Century Painting Returns to an Oxford Gallery Four Years After It Was Stolen

"A Rocky Coast, With Soldiers Studying a Plan" was recovered from a man in Romania who alerted the authorities

This illustration shows how the two-inch-long, curved teeth may have protruded from the extinct salmon's face.

These Massive, Extinct Salmon Had Spiky Teeth Like a Warthog's Tusks

For decades, scientists thought the teeth pointed downward, similar to those of a saber-toothed cat, but now they believe the fish's chompers jutted out sideways

The newly discovered bronze disc depicts Alexander the Great with wavy hair and ram horns.

Cool Finds

Metal Detectorists Unearth Tiny Bronze Portrait of Alexander the Great in Denmark

Researchers think the 1,800-year-old artifact could be linked to a Roman emperor who was "obsessed" with the Macedonian conqueror

A couple sits atop Tourkovounia Hill in Athens as clouds of Saharan dust cover the capital city.

Skies Over Athens Turn a Martian Orange Amid Saharan Dust Storm

Strong winds brought desert dust and heat across the Mediterranean this week, sparking health advisories and fires in Greece

The fire destroyed one of the historic "20-mule team" wagons from the late 19th century. A steam tractor named "Old Dinah" survived.

Historic Borax Wagon Destroyed in Blaze at Death Valley National Park

Beginning in 1883, 18 mules and two horses hauled wagons full of borax across eastern California

A carved pendant plaque of a human head found at the Ucanal burial site.

Ancient Maya Royals' Remains Were Burned in a Public Ceremony to Mark a New Political Regime

Archaeologists discovered charred remains of former rulers tossed "haphazardly" into a tomb in present-day Guatemala, suggesting they had been removed from their original burial sites

Bird flu was first detected in U.S. dairy cows in March. So far, infections have been detected in 33 herds across eight states.

Bird Flu Virus Detected in Pasteurized Milk, as U.S. Moves to Test More Dairy Cows

The FDA maintains that the commercial milk supply is safe, and it plans to report results of further tests in the coming days and weeks

Researchers found several amphorae, ancient vases that stored wine, in one of the old villa's rooms.

Cool Finds

Archaeologists May Have Found the Villa Where the Roman Emperor Augustus Died

Excavations north of Mount Vesuvius revealed Roman ruins buried by the eruption in 79 C.E.

A rarely diagnosed medical condition causes gut microbes to produce alcohol inside the body.

This Rare Condition Makes Some People Get Drunk, Even When They Haven't Touched a Drop of Alcohol

A man in Belgium was acquitted of drunk driving charges this week, after doctors showed he has auto-brewery syndrome, which makes his body produce alcohol

This rendering shows what the wildlife crossing will look like when completed.

The 'World's Largest Wildlife Crossing' Will Help Animals Walk Safely Over Eight Lanes of California Traffic

The 210-foot-long bridge across a busy freeway in Los Angeles County is expected to be finished in 2025

An artist's illustration of two Ptychodus sharks eating sea turtles and ammonites in open water.

Paleontologists Unravel Secrets of 'Enigmatic' 33-Foot Prehistoric Shark After Fossil Discovery

Scientists didn't know much about Ptychodus, an ancient shark genus, because its remains were usually just fragments. Now, complete fossils reveal its body shape and hunting habits

The two intact bottles were found in Mount Vernon's cellar.

Cool Finds

Bottles of 250-Year-Old Cherries Discovered Beneath George Washington's Home

Researchers at Mount Vernon say that the stash still "bore the characteristic scent of cherry blossoms"

An anonymous dentist recognized the jawbone, because it looked similar to the CT scans he reviews every day at work.

Dentist Discovers Human-Like Jawbone and Teeth in a Floor Tile at His Parents' Home

Scientists are planning to study the specimen, embedded in travertine from western Turkey, in hopes of dating and identifying it

The cathedral's collection of Mays paintings includes Aubin Vouet's Le Centurion Corneille aux pieds de Saint Pierre, completed in 1639.

Oil Paintings Rescued From Notre-Dame Cathedral Fire Go on Display

Known as the "Mays," the artworks were created for an annual competition in the 17th century

Members of the Voyager 1 flight team celebrate after receiving health and status data from the spacecraft. Next, engineers need to enable the probe to start sending science data again.

Voyager 1 Sends Clear Data to NASA for the First Time in Five Months

The farthest spacecraft from Earth had been transmitting nonsense since November, but after an engineering tweak, it finally beamed back a report on its health and status

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