Utterances like “um,” “wow” and “mm-hmm” aren’t just fillers—they keep conversations flowing. Also, new research suggests the artificial sweetener saccharin... more

Nominee Jared Isaacman prioritized a Mars mission in his confirmation hearings, raising questions about the fate of the Artemis lunar... more

We go inside the scientifically accurate ER world created for the TV show with one of its medical consultants.

The ISS is set to be decommissioned in 2030. Several companies are competing for NASA contracts to build commercial space... more

What happens when AI moves beyond convincing chatbots and custom image generators to something that matches—or outperforms—humans?

It’s not just in your stuffy head. Seasonal allergies are getting worse as pollen season gets longer and more intense.

Food allergies are on the rise. For kids with less severe peanut allergies, one potential treatment could be found in... more

The cuts hit multiple agencies, affecting work on HIV, gun violence prevention, vaccines, minority health research, and more.

Emergency response experts say that funding and staff cuts at the National Weather Service could mean less reliable weather forecast.... more

When the Chicago-size iceberg drifted away, scientists seized the opportunity to study the life and geologic formations hidden below.