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

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

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

As president, Donald Trump pretty much checks all the warning boxes for an autocrat. Last September Scientific American warned of Trump’s “nonsensical conspiracy fantasies,” that he ...

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

Researchers have shown that abstract mathematical functions from the frontiers of theoretical physics have a real-world use ...

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

Newborn pilot whales have been spotted mysteriously swimming among pods of orcas. Scientists are trying to puzzle out how the ...

In 2024 disasters displaced a record number of people both globally and in the U.S. About 11 million U.S. residents had to ...

NASA’s astrobiology ambitions are at risk of collapsing under the White House’s proposed budget. But your voice can make a ...