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 ...

The tick that causes Lyme disease can also spread babesiosis—and researchers fear doctors in the mid-Atlantic don’t know ...

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

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

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

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

The sun has produced stunning auroras on Earth in recent years as solar activity has peaked—but expect more in coming years ...

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

Defending our public libraries is part of a larger struggle for the integrity of institutions essential to democracy, writes ...