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Scientists may have discovered an explanation for a cosmic mystery uncovered by the James Webb Space Telescope several years ago: the origin of "little red dots" scattered across the cosmos.

In December 2022, six months after the launch of the super-powerful Webb Telescope, the telescope spotted something previously unseen: countless small red objects in the sky, which NASA says scientists soon dubbed “little red dots” (LRDs).

A puzzle to astronomers, scientists theorised the LRDs could be very dense galaxies or supermassive black holes. "For a time, the LRDs were framed as breaking cosmology because they defied practically every expectation set by well-founded theories," writes Lee Billings in Scientific American.

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NASA is cutting short a mission at the International Space Station due to a medical issue with a crew member. The agency is planning to return all four members of the Crew-11 mission more than a month early. NASA administrator Jared Isaacman said the crew would return to Earth "in the coming days."

NASA did not disclose the name of the crewmember or the ailment, citing health privacy. Isaacman described it as a "serious medical condition."

NASA first acknowledged what it called a "medical concern" Wednesday, when the agency announced the cancellation of a planned spacewalk Thursday. Two NASA astronauts, Mike Fincke and Zena Cardman, were supposed to venture outside the orbiting lab and update the station's power system. The additional power from new solar panels would help safely deorbit the station upon its retirement in 2030.

The two NASA astronauts, along with a Japanese Space Station astronaut and Russian Space Agency Cosmonaut, are members of NASA's Crew-11 mission which launched to the space station from Florida's Kennedy Space Center August 1, 2025 on a SpaceX Crew Dragon capsule.

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Three more Chinese astronauts, or taikonauts, are now marooned in space following the successful return of their previously stranded comrades. The latest development highlights a potential flaw in China's space protocols, experts say, which could put astronauts needlessly at risk.

The latest stranded trio — Zhang Lu, Wu Fei and Zhang Hongzhang — are the crew of the Shenzhou-21 mission. They have been living onboard China's Tiangong space station since Oct. 31, shortly after they were launched into space by a Long March 2F rocket. Their mission was to take over from the station's incumbent Shenzhou-20 crew, made up of taikonauts Wang Jie, Chen Zhongrui and Chen Dong, who were originally due to return to Earth on Nov. 5.

However, after a successful handover period, the Shenzhou-20 crew's return trip was called off at the last minute when a piece of suspected space junk hit their return capsule. After tests revealed a crack in the viewing port of the struck spacecraft, the Shenzhou-20 crew boarded the return capsule designated for the Shenzhou-21 crew and successfully returned to Earth on Friday (Nov. 14).

But while many were quick to celebrate the return of the Shenzhou-20 crew, who completed the longest single spaceflight by any taikonauts (204 days), this now means that the Shenzhou-21 crew has no way of returning to Earth themselves, Live Science's sister site Space.com reported.

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James D. Watson, the brilliant but controversial American biologist whose 1953 discovery of the structure of DNA, the molecule of heredity, ushered in the age of genetics and provided the foundation for the biotechnology revolution of the late 20th century, has died at the age of 97.

His death was confirmed by Cold Spring Harbor Laboratory on Long Island, where he worked for many years. The New York Times reported that Watson died this week at a hospice on Long Island.

In his later years, Watson's reputation was tarnished by comments on genetics and race that led him to be ostracized by the scientific establishment.

Even as a younger man, he was known as much for his writing and for his enfant-terrible persona − including his willingness to use another scientist's data to advance his own career − as for his science.

His 1968 memoir, "The Double Helix," was a racy, take-no-prisoners account of how he and British physicist Francis Crick were first to determine the three-dimensional shape of DNA. The achievement won the duo a share of the 1962 Nobel Prize in medicine and eventually would lead to genetic engineering, gene therapy and other DNA-based medicine and technology.

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The Nobel physics prize is awarded by the Royal Swedish Academy of Sciences and includes a prize sum totalling 11 million Swedish crowns ($1.2 million) that is shared among the winners if there are several, as is often the case.

The Nobel Prizes were established through the will of Alfred Nobel, who amassed a fortune from his invention of dynamite. Since 1901, with occaPhysics was the first category mentioned in Nobel's will, likely reflecting the prominence of the field during his time. Today, the Nobel Prize in Physics remains widely regarded as the most prestigious award in the discipline.

Past winners of the Nobel physics prize include some of the most influential figures in the history of science, such as Albert Einstein, Pierre and Marie Curie, Max Planck and Niels Bohr, himself a pioneer of quantum theory.

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Bret Adee is one of the largest beekeepers in the US, with 2 billion bees across 55,000 hives. The business has been in his family since the 1930s, and sends truckloads of bees across the country from South Dakota, pollinating crops such as almonds, onions, watermelons and cucumbers.

Last December, his bees were wintering in California when the weather turned cold. Bees grouped on top of hives trying to keep warm. “Every time I went out to the beehive there were less and less,” says Adee. “Then a week later, there’d be more dead ones to pick up … every week there is attrition, just continually going down.”

Adee went on to lose 75% of his bees. “It’s almost depressingly sad,” he says. “If we have a similar situation this year – I sure hope we don’t – then we’re in a death spiral.”

It developed into the largest US honeybee die-off on record, with beekeepers losing on average 60% of their colonies, at a cost of $600m (£440m).

Scientists have been scrambling to discover what happened; now the culprits are emerging. A research paper published by the US Department of Agriculture (USDA), though not yet peer-reviewed, has found nearly all colonies had contracted a bee virus spread by parasitic mites that appear to have developed resistance to the main chemicals used to control them.

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