Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

A survey showed only 14% of respondents believe their homes are earthquake-resistant, highlighting issues with safety audits ...

Red zones are predicted in New York, Kansas and Virginia as a winter storm continues to grow in the United States.

SACRAMENTO, Calif. — CalFire released a new map this week, expanding hazardous fire zones in Northern California. It's part of Governor Gavin Newsom's executive order after the Los Angeles fires.

Is it time to stop changing our clocks twice a year? Here's a state-by-state look at efforts to make daylight saving time ...