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The nearest midsized black hole might instead be a horde of lightweights

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science news By Ken Croswell     Contrary to a previous report, there’s no evidence of an intermediate-mass black hole in Omega Centauri, the Milky Way’s most massive and luminous →

The asteroid that may have killed the dinosaurs came from beyond Jupiter

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​science news​​​ By Carolyn Gramling     Earth’s most famous killer asteroid came from the outer reaches of the solar system, researchers report in the Aug. 16 Science. →

Nasty-tasting cane toads teach crocodiles a lifesaving lesson

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​science news​​​ By Bethany Brookshire     All it takes is one miserable night after a bad dinner or drink to make humans avoid an ingredient for life. To teach freshwater →

From jellyfish to basking shark, we’re developing 100 new signs to deepen deaf people’s connection with the ocean

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​conversation​​​ by  Audrey Cameron     For deaf people including schoolchildren, teachers and scientists, talking about marine species like the shortfin mako shark, →

Some meteors leave trails lasting up to an hour. Now we may know why

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​science news​​​ By Lisa Grossman     To leave a lasting trail, meteors need to aim low. A new survey of shooting stars shows that meteors that blaze through 90 kilometers up in →

An Egyptian mummy’s silent ‘scream’ might have been fixed at death

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​science news​​​ By Bruce Bower     An ancient Egyptian mummy, dubbed the “Screaming Woman” for what appears to be an open-mouthed look of pain or fear, might have had that →

Earth’s jet stream helps create the seeds of clouds

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science news By  Carolyn Gramling     Scientists have sussed out a new source for the seeds of clouds. When the stratospheric layer of Earth’s atmosphere dips a toe into the →

Getting drugs into the brain is hard. Maybe a parasite can do the job

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​science news​​​ By  Tina Hesman Saey     A mind-bending parasite may one day deliver drugs to the brain.     Toxoplasma gondii is a single-celled →

Google, IBM make strides toward quantum computers that may revolutionize problem solving

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​cbs news​​​ By Scott Pelley ​​​​     Artificial intelligence is the magic of the moment but this is a story about what's next, something incomprehensible. This past December, IBM →

NASA’s Perseverance rover finds its first possible hint of ancient life on Mars

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​science news​​​ By Lisa Grossman     NASA’s Perseverance rover has bagged its first hint of ancient microbes on Mars.     “We’re not able to say that this is →

Sepsis tests take days, putting patients at risk. A new method may cut wait time

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science news By Claire Yuan     When bloodstream infections set in, fast treatment is crucial — but it can take several days to identify the bacteria responsible. A new, →

A new element on the periodic table might be within reach

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​science news​​​ By Emily Conover     To expand the periodic table, it might be time to go titanium.     A new study lays the groundwork to expand the periodic →

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