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In this week's science news, we covered a slew of AI developments that include the growing threat of online chatbot swarms, a Zapotec tomb hailed as Mexico's greatest find in a decade, a breakthrough pancreatic cancer therapy in mice, and the growing threat of dam collapses across the United States.
(Image credit: Luis Gerardo Peña Torres/INAH | Andriy Onufriyenko via Getty Images)
This week's science news was all about the good, the bad and the ugly of technological progress, with a study warning of next-generation AI 'swarms' that could soon invade social media.
Signs of bots on social media are already evident, with over half of the written text online being churned out by large language models as of 2025. What scientists warn about with this next generation of bots is different — trained to impersonate real humans and flock en masse as if they belonged to an organic movement, they will adaptively target human users, spread false narratives and influence opinion.
The discovery of a 1,400-year-old Zapotec tomb in Oaxaca, southern Mexico, was hailed this week by Mexico's president, Claudia Sheinbaum Pardo, as the country's most important archaeological find in a decade.
Built by the Zapotec culture, who believed that their ancestors descended from the clouds and their spirits returned to the heavens after death, the ancient tomb is adorned with complex carvings that include a sculpture of an owl with a man's head in its beak — owls being symbols of death and the afterlife in Zapotec culture.
Authorities first learned of the tomb's presence in response to an anonymous report of looting at the site. And while some information about this centuries-old civilization has been lost to robbers, the tomb now joins a dozen other Zapotec tombs discovered in Oaxaca in the past decade.
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The fact of the Earth's axial rotation is as sure as day following night, but what about the sun's? It turns out that yes, our star rotates, although measurements of its spin are complicated by several factors, including its different layers and its rotation in the same direction as our planet's orbit.
In a major breakthrough study announced this week, scientists at the Spanish National Cancer Research Center in Madrid announced a triple combination therapy that proved remarkably effective at eliminating pancreatic cancer in mice.
The announcement is a big deal for many reasons: Pancreatic cancer is one of the deadliest common forms of the disease, its aggressive and stealthily-growing tumors quickly becoming resistant to chemotherapy.
To investigate a more effective form of treatment, the researchers behind the new study inhibited a mutated gene responsible for 90% of diagnosed pancreatic cancers in humans using three drugs, two of which already have regulatory approval in the U.S. The results were long-lasting tumor regression without significant side effects in all of the mice in the study, opening a path forward for the therapy's development for humans.
Thousands of dams in the United States may be at risk of failure, and they could have major public health and economic impacts.
That's according to new satellite images revealing dozens of faults emerging from shifting ground beneath the structures — including the biggest dam in Texas. But how does climate change play into this phenomenon? What are the potential consequences? And can anything be done to stop it? Live Science investigated in this news analysis.
Something for the weekend
If you're looking for something a little longer to read over the weekend, here are some of the best opinion pieces, crosswords and skywatching guides published this week.
It may not look like much, but this blurry smudge could be a harbinger of an impending revolution in cosmology.
Picked up by the James Webb Space Telescope (JWST), the light seen here comes from the ancient galaxy MoM-z14 just 280 million years after the Big Bang, making it the most distant galaxy confirmed to date.
And the detection isn't just exciting because it's broken the JWST's own record, but because MoM-z14 appears to be far brighter and more developed than its extremely young age should permit it to be. That means that studying it, and others like it, promises to spark a fundamental rewrite of how the universe evolved.
Ben Turner is a U.K. based writer and editor at Live Science. He covers physics and astronomy, tech and climate change. He graduated from University College London with a degree in particle physics before training as a journalist. When he's not writing, Ben enjoys reading literature, playing the guitar and embarrassing himself with chess.
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