Figuring out the day length of Earth is more complicated than you might imagine. While on average a day is 24 hours long, throughout the year the...

Figuring out the day length of Earth is more complicated than you might imagine. While on average a day is 24 hours long, throughout the year the...

Earth's rotation is speeding up, leading to shorter days and potential timekeeping adjustments. Scientists predict that by 2029, a leap second might...

TEMPO, a collaborative space mission by NASA, NOAA, and the Smithsonian Astrophysical Observatory, is transforming air quality tracking across North...

TEMPO, a collaborative space mission by NASA, NOAA, and the Smithsonian Astrophysical Observatory, is transforming air quality tracking across North...

Earth’s rotation has been accelerating, and this week’s date is among several projected to be fractions of a millisecond shorter than usual.

Earth’s rotation has been accelerating, and this week’s date is among several projected to be fractions of a millisecond shorter than usual.

A groundbreaking discovery in northern Quebec has confirmed the existence of Earth's oldest known rocks, dating back 4.16 billion years. These ancient...

A groundbreaking discovery in northern Quebec has confirmed the existence of Earth's oldest known rocks, dating back 4.16 billion years. These ancient...

The Earth is predicted to increase its rotation speed in July and August, once again bucking the trend of a slower rotation over time. Tomorrow on...