By physically engineering their environments, megafauna such as dinosaurs curbed fruit seed sizes—a role that now may be filled by humans ...

A coalition of autism scientists has formed to counter RFK, Jr.’s misrepresentations of science and of autism spectrum ...

Tornadoes are predicted across swaths of the U.S. in the coming days, likely adding to this year’s already high tally of such ...

A CRISPR treatment seems to have been effective for a baby’s devastating disease, but it is not clear whether such bespoke ...

As U.S. childhood vaccination rates sway on a “knife’s edge,” new 25-year projections reveal how slight changes in national ...

Medical research shows that social isolation is a serious chronic stressor. You can say something similar about its impact on ...

The quirks of light moving through gas are the cause of stellar twinkling, which can be a bane—and sometimes a boon—for astronomers ...

Fossilized claw tracks discovered in Australia show that the animal group that includes reptiles, mammals and birds formed earlier than expected Subscribe to Scientific American to learn and share the ...

Cats are arguably perfect. At least, evidence suggests that felines, which have evolved with minimal variation and maximal ...

Technology has made it easier than ever to quickly find, identify and record birds. But to truly appreciate feathered friends ...

A Google DeepMind system improves chip designs and addresses unsolved math problems but has not been rolled out to ...

NASA’s nearly complete yet canceled lunar rover VIPER isn’t going to get carried to the moon by a private space exploration ...