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

The U.S. is in a bad place, and scholars warn, looks to be headed for worse. If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a ...

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 ...