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

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

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

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 ...

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, ...

Young people today will be exposed to a number of heat waves that no one would have experienced before the burning of fossil ...

The U.S. needs to set an example for the rest of the world by taking our nuclear missiles off hair-trigger alert and ...

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

If dark energy is weakening, as suggested by recent results, then the cosmos is far stranger than most physicists had ...