Page Updated: Saturday, April 18, 2026 5:41 PM ET

Live Science - Science

700-year-old mummy from Bolivia contains earliest confirmed evidence of strep throat bacteria in the Americas - By - Kristina Killgrove - published - 18 April 26 - A DNA analysis of pathogens from a pre-Hispanic mummy revealed that the bacterium that causes scarlet fever and strep throat was present in the Americas prior to European colonization.

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New pain-relief opioid could be much less addictive than morphine, rodent study finds - By - Kamal Nahas - published - 18 April 26 - A new and potentially safer opioid has been tested in lab rats, and the results suggest it relieves pain with a lower risk of addiction than other drugs in its class.

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Medicine & Drugs

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Experimental drug doubles one-year survival in pancreatic cancer - By - RJ Mackenzie - published - 18 April 26 - A new drug that works by making tumors more susceptible to chemotherapy and the immune system has increased survival in those with advanced pancreatic cancer in a trial.

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Physicists witness faster-than-light darkness pinpricks, humans found to still be evolving, and the endangered polar bears that are getting fatter than ever - By - Ben Turner - published - 18 April 26 - Science news this week - April 18, 2026: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend

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Anglo-Saxon burial holds an older sister cradling her little brother after they both died 1,400 years ago, possibly of an infectious disease - By - Kristina Killgrove - published - 16 April 26 - An ancient-DNA analysis of a rare Anglo-Saxon double burial revealed the people in the grave were brother and sister.

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Colorado River may have pooled and spilled over to form the Grand Canyon, solving a long-standing mystery ‪-‬ but not everyone agrees - By - Stephanie Pappas - published - 16 April 26 - The Colorado River muscled its way through today's Grand Canyon after pooling as a giant lake, according to new research.

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Rivers & Oceans

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Stephen Hawking's black hole paradox could be solved - if the universe has 7 dimensions - By - Andrey Feldman - published - 16 April 26 - Stephen Hawking's theory of black hole evaporation clashes with the laws of quantum mechanics. A new paper finds a way around this paradox, provided that the universe has seven dimensions.

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73 moon landings? NASA's 'Moon Base User's Guide' reveals the agency's 'most ambitious space project' will be fraught with challenges - By - Patrick Pester - published - 15 April 26 - NASA has released a 'Moon Base User's Guide' that reveals the major gaps the agency and its partners must fill in to land and live on the moon.

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