A group of participants from several U.S. agencies took part in a first-of-its-kind exercise that tested their preparedness ...

Scientists have found evidence of the most powerful storm in history, which hit Earth in 14,300 years ago. It would cause ...

Skywatchers were left surprised, puzzled and awestruck by a mysterious streak of light slicing through the night sky.

A surprise solar storm also came with a baffling phenomenon that left people in the inland U.S. scratching their heads.

The ESA/NASA Solar and Heliospheric Observatory (SOHO) captured a coronal mass ejection erupt from the far side of the Sun.

Skilled Blue Angels Pilot Flies C-130 Super Low Over Silent Drill Platoon Do I have to give border control my phone's ...

Forecasters said a recent coronal mass ejection and high-speed winds from a spot on the sun’s surface may disrupt Earth’s ...

The activity is expected to cause auroras and potential blackouts on Earth, with Nasa’s Solar Dynamics Observatory recently ...

We tend to think of habitability in terms of individual planets and their potential to host life. But barring outliers like ...

This exciting discovery opens up new possibilities for auroral research and confirms that auroras could be visible to future ...