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Captured by the Hubble Space Telescope, the heliosphere of a young star, LL Orionis, collides with an interstellar medium of dust. A similar event with our own sun, researchers say, might have occurred between two and three million years ago.

A Giant Interstellar Cloud May Have Once Enveloped Earth, Potentially Causing Ice Ages

Astronomers suggest this cold, dense cloud compressed our sun's protective field between two and three million years ago, leaving the Earth exposed to cosmic material

After Shackleton's death, the ship was used for seal hunting, Arctic research and rescue missions.

Ernest Shackleton's Last Ship, Quest, Discovered Off the Coast of Canada

The famed explorer died of a heart attack aboard the ship near South Georgia Island in 1922, and it sank in the north Atlantic Ocean in 1962

Akira Endo discovered the first statin, a class of molecule that decreases the production of cholesterol. He died June 5 at the age of 90.

Akira Endo, Biochemist Who Found a Way to Fight Heart Disease, Dies at 90

Endo's research paved the way for the development of drugs to treat high cholesterol and reduce the risk of heart attacks or strokes

Newly examined fossils suggest monotremes—egg-laying mammals—were once much more abundant in Australia than they are today.

Meet the 'Echidnapus,' an Extinct Creature That Resembles Both the Echidna and Platypus of Today

The species is among three newly identified monotremes, or egg-laying mammals, discovered from fossils in Australia that are shedding light on the odd animals' evolution

An endangered Przewalski's horse is released into the Altyn Dala "Golden Steppe" in central Kazakhstan.

Endangered Wild Horses Return to Kazakhstan for the First Time in at Least 200 Years

The international effort, led by the Prague Zoo, released seven Przewalski’s horses to their native steppe habitat in central Asia

These rare early copies of the Declaration of Independence, the Constitution and the Bill of Rights will go under the hammer on June 26.

You Could Own Rare Copies of the Nation's Founding Documents, Just in Time for the Fourth of July

Sotheby's is auctioning early printings of the Declaration of Independence, the Constitution and the Bill of Rights, as well as a 1790 Rhode Island broadside

The smaller of the two grave slabs weighs around 154 pounds.

With the Recovery of Massive Grave Slabs, England's Oldest Shipwreck Continues to Reveal Its Secrets

Maritime archaeologists hoisted the heavy artifacts, made of a special type of limestone, from 23 feet below the surface of the English Channel

The skull rack at Chichén Itzá was created to honor the Maya's dead.

A Mass Grave of Maya Boys May Shed Light on Human Sacrifice in Chichén Itzá

Researchers have genetically tested the bones and made determinations of gender and family relations

Geoscientist Sian Proctor (left) and physician assistant Hayley Arceneaux (right) on the Inspiration4 mission, a three-day tourist trip to Earth orbit in 2021.

Scientists Release Largest Trove of Data on How Space Travel Affects the Human Body

A collection of 44 new studies, largely based on a short-duration tourist trip in 2021, provides insight into the health effects of traveling to space

Ursula K. Le Guin in 2005.

You Could Write in Ursula K. Le Guin’s Former Portland Home Studio

The Le Guin family has donated the science fiction novelist's former house to be used for a new writers residency

The behemoth carcass has attracted lots of curious onlookers to Gearhart Beach.

See the Rare, 2,000-Pound Hoodwinker Sunfish That Washed Ashore in Oregon

The species was only described in 2017 after "hiding in plain sight" for nearly three centuries

Animal bones found at the site suggest it may have been used for ritual ceremonies.

Cool Finds

Discovery of 4,000-Year-Old Structure in Greece Stumps Archaeologists and Threatens Major Airport Construction

The mystifying Minoan structure, unearthed on a hilltop in Crete, is one of 35 newly announced archaeological finds in the area

Elephants at Serengeti National Park in Tanzania, on May 3, 2024. Elephants use low, rumbling vocalizations to call to others and while caring for their young.

African Elephants May Call Each Other by Name

In a new study, a computer model was able to identify the recipient of an elephant's call more than a quarter of the time, which scientists say is significantly greater than chance

 The coins were found in the courtyard of a farmhouse in the small town of Wettin, Germany.

Cool Finds

This Stash of Silver Coins Found in Germany Belonged to a Wealthy 17th-Century Mayor

The collection includes pieces from surrounding regions, as well as Italy and the Spanish Netherlands

A simulated perspective of Olympus Mons, the tallest volcano in the solar system, with water frost at its peak.

Astronomers Discover Water Frost on Mars' Tallest Volcanoes

On early winter mornings, a thin layer of ice forms in craters atop the Red Planet's towering peaks, near its equator, according to a new study

The stones were shot from catapults during one of the longest sieges in British history.

Cool Finds

Catapult Shots Fired During 13th-Century Siege Unearthed at British Castle

Found on the grounds of Kenilworth Castle, the eight stones were used during a clash between rebels and royal forces in 1266

Maternal Caress, Mary Cassatt, 1896

Women Who Shaped History

Mary Cassatt's Paintings Take Women's Labor Seriously

A new exhibition challenges longstanding assumptions about the American Impressionist's artistic legacy

Wombats are stocky marsupials that can weigh up to 85 pounds.

Don't Call Wombats Heroes, but Their Burrows Do Provide Food, Water and Shelter for Other Animals

During Australia’s devastating bushfires in 2019 and 2020, misinformation spread about wombats welcoming animals into their underground homes—but a new study finds a kernel of truth in the viral story

The 10-foot-deep well is located in Ostia Antica.

Cool Finds

Trove of Rare Artifacts Unearthed Beneath an Ancient Roman Well

Dozens of items, including burnt bones and ceramics, provide new insights into ritual activity in the city of Ostia

Val Castor, a veteran storm chaser for KWTV in Oklahoma City, saw the huge chunk of ice in a ditch on the side of the road.

Pineapple-Sized Hail Stone Falls in Texas—and It Might Set a New State Record

Veteran storm chaser Val Castor spotted the behemoth ice chunk in a ditch near Vigo Park in the Texas panhandle

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