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AnalysisBlue whales have gone missing off the Galápagos. Scientists think El Niño could be why.Blue whale sightings have fallen off dramatically near the Galápagos. El Niño may be to blame.
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AnalysisCould AI ever build itself? Scientists map the road to the 'last AI built by humans.'Researchers hope recursive self-improvement could tackle the skyrocketing costs of developing advanced AI models. But is it viable?
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AnalysisColorectal cancer cases in kids have risen sixfold over past 2 decades — researchers are racing to understand whyWhile rare, colorectal cancer is becoming more common in kids, teens and young adults, and the disease appears particularly aggressive in this age group.
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AnalysisChristina Applegate misdiagnosis: Why can MS be difficult to diagnose?MS advocate Christina Applegate recently announced that her MS diagnosis was incorrect, based on new test results. Why can the disease be difficult to identify?
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AnalysisScientists can now 'watermark' AI-generated proteins to deter bioweapon creation. But will it really work?A new technology encodes an invisible mark into the structure of AI-generated proteins, but experts said the system's guardrails can still be bypassed.
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Space ExplorationCan NASA and SpaceX really build a moon base in the next 10 years?Experts say building a lunar colony within the next decade, as NASA and Elon Musk want to, will require finding solutions to problems we don't yet fully understand.
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Rivers & Oceans'A completely new reality': Bolder measures are needed to prevent extreme water shortages in cities like Phoenix and Las Vegas that depend on the Colorado RiverCities fed by the Colorado River have taken huge steps to reduce their water consumption over the past few decades, yet water shortages are projected to grow more intense. What can be done?
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The MoonThere were 'audible screams of delight': Why Artemis II sightings of meteor flashes on the moon have scientists giddyMeteorite strikes spotted on the moon by the Artemis II crew will help scientists assess dangers to future moon bases, infrastructure, and astronauts.
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Medicine & DrugsScientists are trying to build a vaccine that works against almost any respiratory pathogen — here's how close they are.A nasal spray in mice boosted lung immunity against viruses, bacteria and allergens — but a truly universal vaccine is still years away.
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HealthAI-written code can beat humans at biomedical analysis, some studies find. What does that mean for the field?LLMs can accelerate medical research, scientists say, but they come with risks.
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HealthDiabetes rates are lower in high-altitude environments — and scientists may have discovered whyA new study finds that in low-oxygen environments, red blood cells absorb more glucose and convert it into a molecule that helps release oxygen into tissues, revealing an unexpected way the body regulates blood sugar.
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Human EvolutionHomo habilis is the earliest named human. But is it even human?Between 2 million and 3 million years ago, humans appeared in Africa — but identifying them in the fossil record is turning out to be surprisingly difficult.
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Artificial Intelligence'Not how you build a digital mind': How reasoning failures are preventing AI models from achieving human-level intelligenceExisting LLM architecture may not support the problem-solving capabilities needed to underpin human-level AI, the authors of a new study argue.
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Mixed RealityIs the metaverse finally dead and buried? What's really going on with the embattled idea of living in virtual worlds.Touted as the next big thing just a few years back, the development of and hype fueling the metaverse have spluttered to a halt. Is it headed for the scrapheap of history?
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