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Science

The latest science news, photos and videos covering space, the environment, human development and more.


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Climate change

2d ago

Climate change

84% of the world's coral reefs hit by worst bleaching event on record

Harmful bleaching of the world’s coral has grown following the most intense event of its kind in recorded history.
Two divers inspect bleached coral underwater in the ocean
Two divers inspect bleached coral underwater in the ocean

Nearly half of all Americans live in places with failing grades for air pollution

The U.S. is backsliding on air quality measures, according to an annual American Lung Association study.
he downtown Los Angeles skyline shimmers in the smog.
he downtown Los Angeles skyline shimmers in the smog.

Meteorologists on shaky ground as government cuts degrade storm forecasting

The National Weather Service’s reduction in weather balloon launches meant forecasters had less data available when the central U.S. got hammered with hail and tornadoes.
Phillip Ware, a meteorologist at the Norman office of the National Weather Service, launches a weather balloon to launch
Phillip Ware, a meteorologist at the Norman office of the National Weather Service, launches a weather balloon to launch

EPA starts layoffs of environmental justice employees

The agency previously announced a rollback of environmental regulation, eliminated some probationary workers and put other workers on administrative leave.
The seal of the Environmental Protection Agency (EPA) outside the agency's headquarters
The seal of the Environmental Protection Agency (EPA) outside the agency's headquarters

Immigration

4d ago

Immigration

New images could change cancer diagnostics, but ICE detained the Harvard scientist who analyzes them

Without scientist Kseniia Petrova’s expertise, no one can fully unlock the data’s potential, putting crucial advancements in early cancer detection at risk.
Kseniia Petrova.
Kseniia Petrova.
4d ago

A green comet is most likely breaking apart and won't be visible to the naked eye

Comet SWAN, hailing from the Oort Cloud beyond Pluto, may not have survived its recent trip past the sun and is fading fast.
The newly-discovered comet SWAN on April 6, 2025.
The newly-discovered comet SWAN on April 6, 2025.
6d ago

Annual Lyrid meteor shower peaks overnight Monday

Weather permitting, skywatchers could see up to 15 shooting stars per hour from dark locations.
The Perseids Meteor Shower.
The Perseids Meteor Shower.
7d ago

In a city of stars, Los Angeles astronomy club makes sure to keep looking up

"There’s always an opportunity to make a connection with the universe," said one member of the group that meets monthly to stargaze and invites others to do the same.
child young youth astronomy telescope astronomy
child young youth astronomy telescope astronomy

U.S. attorney demands scientific journal explain how it ensures 'viewpoint diversity'

The unusual letter caught the attention of First Amendment groups and some scientists, who raised concerns it was designed to suppress academic and scientific freedom. 
Ed Martin.
Ed Martin.

White House replaces Covid resource page with lab leak website

The Trump administration has slashed billions in Covid funding on the grounds that “the pandemic is over.”
President Donald Trump speaks
President Donald Trump speaks

World

7d ago

World

Scientists create the world's largest lab-grown chicken nugget, complete with artificial veins

The piece of lab-grown meat had an artificial circulatory system of hollow fibers delivering nutrients and oxygen.
Chicken produced with 1125-fiber HFB.
Chicken produced with 1125-fiber HFB.

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