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

In 2024 disasters displaced a record number of people both globally and in the U.S. About 11 million U.S. residents had to relocate to another part of the country because of hurricanes, floods and wildfires

Astronomical amounts of energy could be extracted from black holes—to build a gigantic bomb, for example. Experts have now implemented this principle in the laboratory

Weather experts warn that staff cuts at the National Weather Service that have been made by the Trump administration are a danger to public safety as tornadoes, hurricanes and heat loom this spring and summer

Businesses are making moves to avoid consumer warning labels, and the effects reach far beyond California

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

Parents often struggle with the news that their child has a major health issue. Learning how to manage new routines and expectations is key to everyone’s happiness

Critics say U.K. investment in research on climate-cooling interventions, such as refreezing sea ice and brightening clouds, distracts from the need to cut planet-warming emissions

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

A new mathematical model helps to advance the centuries-old art of knitting