The Doomsday Clock reads 100 seconds to midnight, a decision made by the Bulletin of the Atomic Scientists that was announced Thursday. The clock is intended to represent the danger of global catastrophe.
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This chicken from Memphis Meats was produced with cells taken from an animal and grown into meat in a "cultivator." The process is analogous to how yeast is grown in breweries to produce beer.
H5N1 bird flu virus is the sort of virus under discussion this week in Bethesda, Md. How animal viruses can acquire the ability to jump into humans and quickly move from person to person is exactly the question that some researchers are trying to answer by manipulating pathogens in the lab.
SPL/Dr. Klaus Boller/Science Source
Generics may not have the same cost-lowering power for specialty medicines, such as multiple sclerosis drugs, researchers find. That's true especially when other brand-name drugs are approved to treat a given disease before the first generic is approved.
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Levi Draheim, 11, wears a dust mask as he participates in a demonstration in Miami in July 2019. A lawsuit filed by him and other young people urging action against climate change was thrown out by a federal appeals court Friday.
Scientists put several litters of wolf puppies through a standard battery of tests. Many pups, such as this one named Flea, wouldn't fetch a ball. But then something surprising happened.
Christina Hansen Wheat
A light micrograph of a primitive human embryo, composed of four cells, following the initial mitotic divisions that ultimately transform a single-cell organism into one composed of millions of cells.
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For decades, the Earth has steadily gotten hotter. The planet has already warmed about 1.8 degrees Fahrenheit (or almost 1 degree Celsius) compared with in the mid-20th century.
Smoke from bushfires shrouds the Melbourne city skyline. Hazardous breathing conditions prompted Australian Open officials to suspend practice sessions on Tuesday.
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Much of New South Wales, Australia, including the Sydney Opera House, lay under a shroud of smoke Thursday. The state remains under severe or very high fire danger warnings as more than 60 fires continue to burn within its borders.
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Firefighters conduct property protection patrols at the Dunn Road Fire on Friday in Mount Adrah, Australia. New South Wales is battling severe fire conditions, with high temperatures and strong winds forecast across the state.
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With Their Land In Flames, Aboriginals Warn Fires Show Deep Problems In Australia
Three U.S. airports will screen passengers from Wuhan, China, for coronavirus symptoms: Los Angeles International Airport (pictured above), JFK in New York and SFO in San Francisco.
Norm Ciha says he lost his bedding, clothes and the medicine he'd been prescribed to treat hepatitis C during a sweep of his camp outside an Ikea in Emeryville, Calif., in November 2018.
Anna Maria Barry-Jester/Kaiser Health News
Recent research has explored "helping" behavior in species ranging from nonhuman primates to rats and bats. To see whether intelligent birds might help out a feathered pal, scientists did an experiment using African grey parrots like these.
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