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When an asteroid struck Earth about 66 million years ago, it wiped out some 80 percent of the planet's animals, including all of the non-avian dinosuars.

Asteroid That Ended the Dinosaurs Came From Beyond Jupiter, Study Finds

Metal isotopes delivered to Earth by the asteroid reveal it's consistent with space rocks formed in the outer solar system

The ancient complex was unearthed in Corinth, Greece.

New Research

Ancient Prisoners Carved Graffiti Into the Floors of a Roman-Era Prison

An archaeologist has identified vengeful inscriptions etched into a 1,600-year-old prison in Greece

An ocelot rests on a rock in the Sonoran Desert, Arizona, in 2007. Only seven ocelots, including the one just spotted, have been seen in the state in the last two decades.

Rare Ocelot Caught on Camera in Arizona, the First Sighting in Its Area for 50 Years

Ocelots were federally listed as endangered in 1972, and their current U.S. population is thought to be fewer than 100 individuals

A police officer poses with the fake Leonardo da Vinci portrait.

Art Dealer Arrested for Trying to Sell a Fake Leonardo da Vinci for $1.4 Million

French customs officers seized the imitation when they discovered the man’s export license had expired

The European ant species Lasius emarginatus arrived to Manhattan around 2011 and has since become one of the most dominant ant species in the city.

Invasive 'ManhattAnts' Are Taking Over New York City and Spreading Quickly

Since appearing on Manhattan in 2011, the species has become one of the island's most dominant ants, and scientists formally identified it this year

The Altar Stone lies at the center of the prehistoric monument in Wiltshire, England.

New Research

Stonehenge's Massive Central Stone May Have Been Shipped From Hundreds of Miles Away

Researchers think they've solved the mystery of the monument's Altar Stone, which could have traveled all the way from Scotland

A colorized transmission electron micrograph of monkeypox virus particles. There have been 15,600 mpox cases and 537 deaths reported in the Democratic Republic of the Congo in 2024 so far.

WHO Declares Mpox Global Health Emergency. Here's What to Know

A new virus strain has been spreading primarily the Democratic Republic of the Congo, as well as nearby countries that had previously not reported mpox cases

One of the ancient victims recently unearthed at Pompeii

Archaeologists Unearth Two More Vesuvius Victims at Pompeii

Recent excavations provide a glimpse into the choices a man and woman made in their final moments

Mars might host an ocean of water within porous rocks miles beneath its surface, according to a new study.

Mars Hosts a Giant Reservoir of Water Underground, We Just Can't Easily Reach It, Study Finds

The water is enough to cover the Martian surface in a mile-deep ocean, but it's beyond the reach of drills for now, according to researchers

Jackie Robinson was the first Black athlete to play in modern Major League Baseball.

A Youth League's Stolen Jackie Robinson Statue Has Been Replaced

The original statue of the pioneering baseball player vanished from a ballpark in Wichita, Kansas, earlier this year

The A23a iceberg, photographed last December. It first split from Antartica in 1986 and stayed in the Weddell Sea until 2020, when it started drifting away.

The World's Largest Iceberg Is Stuck in a Spinning Ocean Vortex

The mega iceberg A23a is destined to melt after breaking free from Antarctica in 1986, but this pause in its journey is delaying its fate, experts say

Keith Haring painted the 170-foot-long mural on a hot summer day in 1987.

This Giant Keith Haring Mural Is a Beloved West Village Staple. Can It Be Saved?

The artwork, which adorns a wall by the pool at an old recreation center in New York City, faces an uncertain future

This specimen is the first complete tusk of its kind found in Mississippi.

Cool Finds

Rare Seven-Foot Mammoth Tusk Unearthed in Mississippi Creek

The enormous fossil belonged to a Columbian mammoth, a larger relative of the woolly mammoth

The Tower of London has loomed over the city since the 11th century.

Will the Tower of London Lose Its UNESCO World Heritage Status?

The United Nations agency is worried about high-rise developments near the famed 11th-century fortress

The mosaic was discovered during the construction of a water pipeline.

Cool Finds

Workers Stumble Upon Ancient Greek Mosaic of Dancing Satyrs

Found on the Greek island of Euboea, the pebbled design is part of a 2,400-year-old floor

The Mount Everest Base Camp, at 17,598 feet high, hosts climbers acclimating to the elevation before they make their ascent.

More Than 200 Dead Bodies Have Been Left Behind on Mount Everest, and Many Mark the Path to the Summit

Mountaineers who perished on the world's highest peak have become landmarks for the living, though recovery crews have made risky expeditions to remove some of the corpses

The findings build on research from last year, which found that people with higher levels of the sweetener in their blood were at a greater risk of heart attacks and strokes.

Common Artificial Sweetener Linked to Increased Heart Attack Risk in Small Study

Healthy people who consumed 30 grams of the sweetener erythritol had an increased risk of blood clot formation, while people who consumed the same amount of glucose did not

Göbekli Tepe is an archaeological site in southern Turkey.

New Research

Could These Carvings in Turkey Be the World's Oldest Lunisolar Calendar?

One researcher thinks the V-shaped markings engraved into a pillar thousands of years ago may represent the days of the year

Researchers have been looking into whether psychedelics could be used to treat PTSD. Currently, only therapy and two antidepressant medications are approved to treat the condition.

MDMA Treatment for PTSD Fails to Secure Federal Approval

One day after the FDA declined to approve the psychedelic for medical use, a journal retracted three studies of MDMA-assisted therapy due to unethical conduct by researchers

Maletsunyane Falls in the Lesotho Highlands shows how a river can erode deep valleys into uplifted lands.

Slow-Motion Ripples in Earth's Mantle Built Mysterious and Stunning Highland Landscapes, Study Finds

Following the break-up of an ancient supercontinent, waves propagated through the hot, rocky layer beneath the planet's brittle crust and reshaped its surface over millions of years

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