A physics-based sperm-screening technique could offer a more accurate at-home test for people trying to conceive ...

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 “ignores the ...

AI chatbot companions may not be real, but the feelings users form for them are. Some scientists worry about long-term ...

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

Astronomical amounts of energy could be extracted from black holes—to build a gigantic bomb, for example. Experts have now ...

Weather experts warn that staff cuts at the National Weather Service that have been made by the Trump administration are a ...

Niu worked with University of Pennsylvania physicist Randall D. Kamien and Geneviève Dion, founding director of Drexel ...

Parents often struggle with the news that their child has a major health issue. Learning how to manage new routines and ...

Pugs, Persian cats, and other smushed-face cats and dogs are more similar to one another than they are to the wild animals ...

Critics say U.K. investment in research on climate-cooling interventions, such as refreezing sea ice and brightening clouds, ...

Conceptual problems, ideology clashes and xenophobia prevented the concept of zero from catching on for a long time. Today ...

After billions of dollars in spending and decades of planning, NASA may be forced to abandon precious samples of air, rock ...