A ceremony at the Canadian Embassy in Rome has marked the successful recovery of a stolen photo portrait of Winston Churchill, known as “The Roaring Lion,” after a two-year search

A marine salvage firm has found the wreck of a long lost French steamship about 200 miles off New Bedford, Massachusetts

An Israeli museum has put back on display a rare Bronze-Era jar that a 4-year-old accidentally smashed

Relatives of 12 Polish inmates of Nazi Germany’s concentration camps have received precious belongings seized from their kin during captivity

A top U_S_ government codebreaker who decrypted secret Soviet communications during the Cold War concluded that Ethel Rosenberg knew about her husband’s activities but “did not engage in the work herself."

A rare copy of the U.S. Constitution that was signed and sent to states to ratify is up for auction later this month in North Carolina

A new species of dinosaur has been identified more than a decade after a large number of ancient skeletons were found in Spain

Researchers expect to find more fossils and more new species from the same site.

Among the discoveries in the July mission, was a "significant" change to the Titanic's silhouette.

A recent underwater expedition revealed the railing on the ship’s bow has fallen off after 112 years as well as images of the Diana of Versailles statue that was on display in first class.

A 4-year-old boy accidentally smashed a Bronze Age jar during a visit to a museum in Israel on Friday, the museum said.

There was once a magma-filled ocean on the south pole of the moon, scientists recently discovered after analyzing lunar soil.

Nate Smith talks about Gnatalie, believed to belong to the herbivore species of long-neck dinosaurs, before her Los Angeles debut.

ABC News' Juju Chang travels to Camp Amache, a former Japanese internment camp, and speaks with Carlene Tinker, a Camp Amache survivor, about her experience as a prisoner there.

The discovery was made in Region IX, Insula 10 in Pompeii, as a part of a larger excavation to secure the edge of the ancient site.

ABC News' Trevor Ault speaks with comedian Ed Helms about season two of his award-winning podcast "Snafu," based on the burglary that exposed J. Edgar Hoover's secret illegal FBI program.

ABC News is the "10 Million Names" project's exclusive media partner, which helped ABC News' Pierre Thomas trace his West Virginia roots.

A team of researchers challenged the belief that complex life forms first emerged on Earth 635 million years ago, saying life may have existed 1.5 billion years before.

A stegosaurus skeleton known as "Apex" was recently sold at auction for $44 million. It has sparked a debate over whether private buyers should be allowed to own fossils.

The shipwreck was discovered in the Baltic Sea, about 20 nautical miles off the Swedish coast, by a team of Polish technical divers from the group Baltictech.

The shipwreck was discovered in the Baltic Sea, about 20 nautical miles off the Swedish coast, by a team of Polish technical divers from the group Baltictech.

Early humans may have played a significant role in the demise of one of the most iconic ancient species -- the woolly mammoth -- and others like it, scientists say.

The researchers used AI to track ecosystem changes through fossil records.

The U.S. Navy has exonerated 256 Black sailors who had been unjustly court-martialed following the World War II-era Port Chicago explosion that killed hundreds.

A nearly-complete Stegosaurus skeleton, nicknamed "Apex", sold on Wednesday for record $44.6M at a Sotheby's auction in New York.

Israeli Holocaust museum Yad Vashem will debut a collection of Disney-themed artwork this Monday.

The Supreme Court's ruling on presidential immunity goes against all of the principles the Constitution's framers pushed for, historians and legal experts argued.

Attorneys for the two remaining survivors of the 1921 Tulsa Race Massacre are calling on President Joe Biden to open an investigation into the massacre.

"GMA" explores Saint Anthony Main, its history and gets a lesson in swing dancing.

The two remaining Tulsa Race Massacre survivors, Viola Fletcher, 110, and Lessie Benningfield Randle, 109, continue to pursue reparations after the Oklahoma Supreme Court dismissed their case.

Attorneys for the two remaining survivors of the massacre are calling to open an investigation after the Oklahoma Supreme Court decided to dismiss the survivors’ lawsuit that sought reparations.

The Stonewall National Monument Visitor Center, which opened to the public Friday, is the first LGBTQ visitor center in the National Park Service.

Fossils from the skull of a Neanderthal child that likely had Down syndrome shed light into the communal caregiving that likely aided in the child's survival.

Being back at Rickwood Field brought back painful memories for MLB Hall of Famer Reggie Jackson, who detailed the racism he experienced there.

Parvosuchus aurelioi dates back 237 million years and is the first small, predatory reptile of its kind to be found in Brazil.

Paleontologists have discovered a new species of ancient crocodile-like reptile that once roamed the lands and waters of Brazil.

Lokiceratops rangiformis lived about 78 million years ago, researchers said.

Researchers have discovered a new, giant-horned species of dinosaur named Lokiceratops rangiformis that they say is the "largest and more ornate" of its kind ever found.

The ornate room would have been used for ritual activities or storing sacred objects, according to the Archaeological Parks of Pompeii.

The room has been interpreted as a sacrarium, or a Roman sanctuary.

The Fisher family discovered the bones uring a hike in North Dakota’s Badlands.

They jumped out of the same planes that flew over Normandy 80 years ago.

A group of American lawmakers honored the sacrifices of World War II veterans who took part in D-Day with a parachute jump Friday morning.

American heroes who changed the course of history are returning to the beaches of Normandy and are met with gratitude for their sacrifice 80 years later.

ABC News’ David Muir talks with some of the brave American soldiers who stormed the beaches of Normandy.

The president attended a ceremony at the Normandy American Cemetery.

President Biden will also attend a ceremony at the American Military Cemetery in Colleville-Sur-Mer and will meet with U.S. WWII vets who made the trip to France as well.

Plus, President Joe Biden and other world leaders gather in Normandy, France, to honor the incredible servicemen who landed on the beaches eight decades ago.

President Joe Biden plans to tour the hallowed ground near the beaches where more than 150,000 Allied troops began liberating Europe of Nazi control.

American Airlines flew 68 World War II veterans to France to remember the fateful day.