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Images from Corona, a U.S. military program that ran from 1960 to 1972

Cool Finds

Declassified Cold War Satellite Photos Reveal Hundreds of Roman-Era Forts

Once thought to be defensive military bases, the forts may have supported peaceful trade and travel

An image of Pluto taken by the New Horizons spacecraft in 2015

A Supervolcano on Pluto May Have Spewed Ice Just a Few Million Years Ago

An unusual crater on the dwarf planet hints at past volcanic activity—and a possible vast ocean beneath its surface, scientists say

These five creepy dolls are in the running for this year's competition.

Which of These Vintage Dolls Do You Find the Creepiest?

Now in its fifth year, an annual contest spotlights a Minnesota museum's historical doll collection

Dust from the Chicxulub impact may have plunged the planet into a cold, dark winter and halted photosynthesis.

Dust May Have Triggered the Global Winter That Killed the Dinosaurs

A new study, based on modeling, suggests fine silicate particles could have blocked sunlight and shut down photosynthesis across the globe

Artist Dan Miller works at Creative Growth Art Center, which is partnering with the San Francisco Museum of Modern Art.

San Francisco Museum of Modern Art Acquires More Than 100 Works by Artists With Disabilities

The purchase is one of the largest acquisitions of its kind by any museum in the United States

Jean Fouquet's Melun Diptych features two panels, Étienne Chevalier with Saint Stephen on the left, and Virgin and Child Surrounded by Angels on the right.

New Research

Mysterious Stone in 15th-Century Painting Could Be a Prehistoric Tool

Jean Fouquet's "Melun Diptych" is likely the earliest artistic representation of an Acheulean hand ax

Wildfires have smashed records this year in Canada, scorching more than 40 million acres in the country.

Earth Is Entering 'Uncharted Territory' Because of Climate Change, New Report Warns

Researchers found that 20 of 35 "planetary vital signs" are at record extremes, and they call for rapid action

Female chimps at the Taronga Zoo in Sydney, Australia, in 2005. The new study followed 185 chimps in Uganda's Kibale National Park for 21 years.

Wild Female Chimpanzees Go Through Menopause, Study Finds

Until now, menopause had not been documented in wild, non-human animals, except for a few species of toothed whales

The record-breaking Nightmare Before Christmas mosaic at Sunnyfields Farm is made from several types of pumpkins and squash in various colors.

'Nightmare Before Christmas' Pumpkin Mosaic Sets World Record

The Jack Skellington-inspired display is made from more than 10,000 gourds across 2,081 square feet

Atlantic salmon spend most of their lives in the cool waters of the ocean. When they venture upstream in freshwater rivers to spawn, however, they encounter challenging warmer waters.

Engineers Create 'Air Conditioning' for Salmon With Chilled Patches of River Water

Wild Atlantic salmon can struggle with heat as they swim upstream to spawn—but artificial "thermal refuges" may help them cool off

Archaeologists excavating the Roman-era sarcophagus in Reims

Cool Finds

Archaeologists Discover 'Exceptional' Roman-Era Sarcophagus in France

The 40-year-old woman inside the tomb was buried with a ring, a comb and other items

The Africa disappeared on Lake Huron in October 1895.

Cool Finds

Filmmakers Stumble Upon 128-Year-Old Shipwreck in Lake Huron

A duo working on a documentary about invasive quagga mussels in the Great Lakes discovered the long-lost steamship "Africa"

In 2022, nearly 46 percent of health workers felt burnt out either often or very often.

Health Care Workers Are Burning Out, CDC Says

Depression, anxiety and harassment of health professionals have risen beyond crisis levels, per a new report from the agency

Foundry workers disassembled Charlottesville's Robert E. Lee statue before melting it down.

Foundry Workers Melt Down Charlottesville's Divisive Robert E. Lee Statue

Eventually, an artist will be chosen to transform the bronze bars into a public art installation

Hurricane Otis caused major damage in Acapulco, Mexico.

Hurricane Otis Slams Mexico in 'Nightmare Scenario' That Shocked Meteorologists

The storm rapidly intensified in just 24 hours before it hit Acapulco as a category 5, killing at least 27 people and destroying infrastructure

A historic drought in the Amazon has revealed faces carved in the rocky banks of the Rio Negro in Brazil.

Cool Finds

Drought Exposes Ancient Rock Carvings in Brazil

Revealed by receding Amazon waters, the carvings of human faces are up to 2,000 years old

In the new experiment, roosters made fewer alarm calls, meant to warn peers of predators, when placed in front a mirror versus when standing near another rooster.

Roosters May Recognize Their Reflections in Mirrors, Study Suggests

The findings demonstrate self-recognition could be more common among animals than previously thought

Artist Oscar Nilsson spent 400 hours working on the reconstruction.

See the Face of an Inca Teenager Killed in a Ritual Sacrifice 500 Years Ago

The mummified girl, known as "Juanita," was found in 1995 on Peru's Ampato volcano

Previous analyses of seismic activity on Mars suggested its core was surprisingly large, with a low density. Two new studies suggest the opposite.

Mars' Core May Be Smaller Than Thought, Wrapped in a Sea of Molten Rock

Based on seismic waves from a meteorite impact, two teams of scientists suggest the Red Planet has another layer deep beneath its surface

A chum salmon in Alaska's Katmai National Park and Preserve. Salmon numbers are declining in some places due in part to climate change.

Climate Change Is Pushing Salmon North in Alaska, Scientists Say

Researchers recently found about 100 chum salmon spawning in the Arctic, suggesting the species is shifting to new habitats

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