
Chances of Finding COVID-Causing Virus Ancestor ‘Almost Nil,’ Virologists Say
A genome analysis finds SARS-CoV-2 and bat coronaviruses shared an ancestor just a few years ago, but extensive recombination has muddied the picture
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Chances of Finding COVID-Causing Virus Ancestor ‘Almost Nil,’ Virologists Say
A genome analysis finds SARS-CoV-2 and bat coronaviruses shared an ancestor just a few years ago, but extensive recombination has muddied the picture

Watch Octopuses Throw Things at Each Other
Cephalopods living unusually close together have been filmed throwing shells, algae and silt—sometimes at another octopus

Internet and Extremism Experts Predict More Hate Speech and Conspiracy Theories on Musk’s Twitter
Under Elon Musk’s leadership, extremists could flock back to Twitter under the guise of “free speech,” and researchers are gearing up to study their impact

What Scientists Are Watching at the COP27 Climate Summit
At the COP27 climate summit, countries will grapple with how to pay for loss and damage from global warming and how to bolster pledges to cut emissions

China’s Space Station Is Almost Complete—How Will Scientists Use It?
China’s Tiangong orbital outpost will host more than 1,000 experiments, some of which will augment results from the International Space Station

The Middle East Is Going Green while Supplying Oil to Others
Middle Eastern governments are ramping up their green ambitions ahead of the COP27 climate summit but show few signs of reining in fossil-fuel exports

Dying NASA Spacecraft Records Epic ‘Marsquakes’
As the InSight lander reports the largest-ever meteorite strikes on Mars, scientists wish it a fond farewell

Which COVID Studies Pose a Biohazard?
Controversy surrounding a study that involved modifying SARS-CoV-2, the virus that causes COVID, has prompted researchers to call for better guidance from funders

First Known Neandertal Family Discovered in Siberian Cave
Ancient DNA from closely related individuals offers fresh insight into Neanderthals’ lives and social structures

First Known Map of Night Sky Found Hidden in Medieval Parchment
The fabled star catalog from the ancient Greek astronomer Hipparchus had been feared lost

Neurons in a Dish Learn to Play Pong
A cellular version of the computer game challenges assumptions about intelligence

What Does the Future of Monkeypox Look Like?
With cases declining in the U.S. and Europe, here are some scenarios of how the outbreak might play out

DART’s Smashing Success Shows Humanity Can Divert Asteroids
NASA confirms that its DART spacecraft nudged the asteroid Dimorphos into a new orbit

‘Bit of Panic’: Astronomers Forced to Rethink Early JWST Findings
Revised calibrations for the James Webb Space Telescope’s instruments are bedeviling researchers studying the distant universe

Fungi Lurk Inside Cancers—And Might Speed Their Growth
Thousands of tumor samples provide the clearest link yet between cancer and fungi, but more research is needed

What Do Mysterious Nord Stream Methane Leaks Mean for Climate Change?
Researchers are rushing to calculate the greenhouse-gas emissions resulting from mysterious leaks in major gas pipelines that connect Russia to Europe

Alzheimer’s Drug Slows Mental Decline in Trial—But Is It a Breakthrough?
Researchers are cautiously optimistic following companies’ announcement of positive results for lecanemab

Fresh Images Reveal Fireworks from DART’s Asteroid Impact
The celestial crash between NASA’s DART spacecraft and the asteroid Dimorphos is yielding spectacular pictures and data

China’s Mars Rover Finds Hints of Catastrophic Floods
Radar images from the Zhurong rover reveal clues to the history of a largely unexplored region

AlphaFold Developers Win $3-Million Breakthrough Prize in Life Sciences
DeepMind’s system for predicting the 3D structure of proteins is among five recipients of science’s most lucrative awards

Perseverance Mars Rover Makes ‘Fantastic’ Find in Search for Past Life
NASA’s Perseverance rover has collected four rock samples from an ancient river delta where organisms might have thrived

What’s the Science of Public Grief?
Most of the people mourning the death of Queen Elizabeth II were not close to her—research can shed light on the nature of their grief

Prehistoric Child’s Amputation Is Oldest Surgery of Its Kind
A skeleton missing its lower left leg and dated to 31,000 years ago provides the earliest known evidence for surgical limb removal

Why Are Pakistan’s Floods So Extreme This Year?
One third of the country is underwater following an intense heat wave and a long monsoon that has dumped a record amount of rain