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Scientists have developed a method that could map water ice hundreds of metres beneath the Moon without extensive drilling—by measuring how moonquakes travel through the ground. Laboratory tests and simulations suggest ice-rich soil carries seismic waves two to three times faster than dry lunar regolith, while the current model extends to depths of about 800 metres.
After two decades in which standard cosmology favoured endless expansion, a Cornell-led team has calculated that one model consistent with recent dark-energy hints would halt cosmic expansion in 11 billion years and produce a Big Crunch roughly 20 billion years from now.
Researchers from Oxford, Google Cloud and Radboud University gave Gemini just 15 annotated image sets per telescope survey and taught it to distinguish genuine astronomical transients from imaging artefacts with 93% average accuracy — potentially eliminating hours of manual candidate screening while explaining every decision in plain English.
Killer whales in Puget Sound have started balancing dead salmon on their heads again, and the detail that stops researchers isn't the behaviour but the date, because the last time the fad swept the pods was 1987, meaning at least one whale may have carried the memory for 37 years.
