The equinox marks the arrival of fall in the Northern Hemisphere on Sept. 22. Are you ready for fall? The official arrival of fall is the autumnal equinox, which occurs in the Northern Hemisphere on ...

The fall equinox marks the first day of autumn. When does fall officially begin in 2025? This visual guide will help get you ...

A congressional subcommittee spent nearly two hours on Tuesday discussing the rarely practiced but frequently talked about ...

The Carruthers Geocorona Observatory is the first mission focused on studying changes in the exosphere, the Earth’s outermost ...

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's ...

Imagine a world where the Earth suddenly stopped spinning. While this may sound like science fiction, scientists have studied the consequences of such a scenario to understand the delicate balance of ...

At G3 the storm is considered "strong", but it is also strengthened by something known as the "Russell-McPherron Effect".

On Sept. 23, a spacecraft will launch with a clear mission — to keep a constant watch on the sun to help protect Earth from space weather. The satellite, Space Weather Follow-On L1 (SWFO-L1), is ...