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Will Dunham
A Red Knot (left) and a Ruddy Turnstone gather with other shorebirds to feed on Atlantic horseshoe eggs along a beach in Little Creek, Delaware.
ENVIRONMENT / Wildlife
Mar 14, 2025
Many U.S. bird species seen as reaching population 'tipping point'
A report found that avian populations are decreasing in almost every habitat, including grasslands and arid regions.
A monarch butterfly is seen at an enclosure at Boone Hall Plantation and Gardens in Mount Pleasant, South Carolina, in August 2019.
ENVIRONMENT / Wildlife
Mar 7, 2025
Butterfly populations plummet by 22% in U.S. since turn of century
Studies in some other countries have documented declines at roughly the same rate as in the U.S. data.
A panoramic view of Earth taken by astronauts aboard the International Space Station (ISS)
WORLD / Science & Health
Feb 15, 2025
Was the emergence of intelligent life on Earth just a fluke? Some scientists think not.
Some scientists says that Homo sapiens may be the probable end result when a planet has a certain set of attributes that make it habitable.
Former Colombian President Juan Manuel Santos (left) and Robert Socolow, a professor emeritus in the Department of Mechanical and Aerospace Engineering at Princeton University, reveal the location of the minute hand on the Doomsday Clock at a Bulletin of the Atomic Scientists news conference in Washington on Tuesday.
WORLD / Society
Jan 29, 2025
'Doomsday Clock' moves closer than ever to midnight
The Bulletin of the Atomic Scientists said the United States, China and Russia have the prime responsibility to pull the world back from the brink.
African tiger fish swim in the Okavango river in Botswana.
ENVIRONMENT / Wildlife
Jan 13, 2025
Study documents extinction threats to world's freshwater species
Threats to such species include pollution, dams and water extraction, agriculture and invasive species.
The skeleton of a mammoth, one of the large mammals that roamed North America during the last Ice Age, is displayed at the Mammoth Site where numerous mammoth fossils have been excavated, in Hot Springs, South Dakota, on Aug. 31, 2018.
WORLD
Dec 5, 2024
Mammoths topped the menu for North American Ice Age people
Scientists discovered that the woman's diet was mostly meat from megafauna — the largest animals in an ecosystem — with an emphasis on mammoths.
A fossil footprint in northern Kenya hypothesized to have been created by a Homo erectus individual, is seen in this photograph released on Nov. 28.
WORLD / Science & Health
Dec 3, 2024
Fossil footprints in Kenya show two ancient human species coexisted
The fossils provide the first evidence that Paranthropus boisei and Homo erectus shared the same landscape, literally crossing paths.
The discovery of the Navaornis hestiae fills the intermediate step in evolution between the first bird-like dinosaurs, such as Archaeopteryx, and living birds.
WORLD / Science & Health
Nov 15, 2024
'One-of-a-kind' fossil from Brazil reveals birds' brain evolution
The fossil discovery filled in a gap of 70 million years in the understanding of the evolution of avian neuroanatomy.
An image of the planet Uranus captured by the NASA spacecraft Voyager 2 in 1986
WORLD / Science & Health
Nov 12, 2024
Scientists reveal misunderstanding about magnetic field around Uranus
The Voyager 2 probe encountered Uranus just a few days after solar wind had compressed its magnetosphere to about 20% of its usual volume.
A bed of rock shows chunks of ripped-up seafloor as debris from a tsunami that followed a huge meteorite impact on Earth dating back to about 3.26 billion years ago, seen in a region called the Barberton Greenstone Belt in northeastern South Africa in this undated photograph.
WORLD / Science & Health
Oct 22, 2024
Ancient meteorite was 'giant fertilizer bomb' for life on Earth
The space rock that slammed into Earth 66 million years ago and doomed the dinosaurs was far from the largest meteorite to strike our planet.
A flock of Common Teal fly across a wetland on a winter day on the outskirts of Srinagar.
ENVIRONMENT / Wildlife
Oct 5, 2024
Study documents extinction of 610 bird species and ecological impacts 
The disappearance of avian species erases functions they serve in innumerable ecosystems and may lead to "secondary knock-on extinctions."
Scientists now think they know the reason behind Mount Everest's growth, and it has to do with the monumental merger of two nearby river systems.
WORLD / Science & Health
Oct 4, 2024
Scientists explain Mount Everest's anomalous growth
The geological process at work on Mount Everest, scientists say, is called isostatic rebound.
An artist's impression of a large asteroid impacting at Chicxulub on the Mexican coastline, which caused the end-Cretaceous mass extinction, 66 million years ago, with the planet Mars and asteroid bodies in the background.
WORLD / Science & Health
Aug 16, 2024
Asteroid that doomed the dinosaurs originated beyond Jupiter
After migrating inward to become part of the main asteroid belt between Mars and Jupiter, the asteroid was somehow sent hurtling in the direction of Earth.
Scientists have proposed a way to heat up Mars using heat-trapping iron or aluminum particles as an initial step toward making the planet habitable for people.
WORLD / Science & Health
Aug 10, 2024
Scientists propose warming up Mars by using heat-trapping 'glitter'
The scientists who developed the proposal see it as a potentially doable initial step toward making the planet habitable.
Scientists work inside Baishiya Karst Cave, where the remains of the extinct archaic human species called Denisovans — as well as bones of blue sheep and various other animals — have been discovered, on the northeastern edge of the Tibetan Plateau in China's Gansu province, in this undated handout photograph.
WORLD / Science & Health
Jul 4, 2024
Study brings lifestyle of enigmatic extinct Denisovans into focus
Researchers studied more than 2,500 bones found inside Baishiya Karst Cave on the Tibetan Plateau in China's Gangsu province.
A bird perches on an elephant in the Amboseli National Park in Kajiado County, Kenya, on April 4.
WORLD / Science & Health
Jun 12, 2024
Study shows elephants might call each other by name
In the study, researchers analyzed vocalizations made by more than 100 elephants in Amboseli National Park and Samburu National Reserve in Kenya.
Scientists have observed an orangutan applying medicinal herbs to a face wound in an apparently successful attempt to heal an injury, the first time such behavior has been recorded.
WORLD / Science & Health
May 3, 2024
Orangutan's use of medicinal plant to treat wound intrigues scientists
Researchers said they believed this was the first documented case of a wild animal self-treating a wound.
A human tooth discovered at Taforalt Cave in Morocco. Isotopic analysis has uncovered unexpected dietary habits among preagricultural communities in the country.
WORLD / Science & Health
Apr 30, 2024
New study offers insight into what people ate before agriculture
Chemical markers in the bones and teeth from the remains of seven individuals were analyzed, along with several isolated teeth, dating back 15,000 years.
O.J. Simpson appears in district court during his trial at the Clark County Regional Justice Center in Las Vegas in September 2008.
SPORTS
Apr 12, 2024
O.J. Simpson, football star who faced trial for ex-wife's murder, dies at 76
One of the most popular U.S. athletes of the 1970s, Simpson was later found responsible for his former wife's death then imprisoned for other crimes.
An analysis of all the publicly available viral genome sequences yielded a surprising result: humans give more viruses — about twice as many — to animals than they give to us.
WORLD / Science & Health
Mar 27, 2024
Humans give more viruses to animals than they give us, study finds
Researchers looked at nearly 12 million virus genomes and detected almost 3,000 instances of viruses jumping from one species to another.

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The sun shines from behind a waving Philippine flag at the Manila American Cemetery and Memorial.
Eighty years after the Battle of Manila, old foes forge new ties