Sunspot region 4114 has unleashed its most powerful solar flare yet — an X1.9 class that erupted late June 19, triggering shortwave radio blackouts across the Pacific Ocean, including parts of Hawaii.

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

The Solar Flare event was a special admin-triggered weather event that took place in Grow a Garden on June 28, 2025. As with other weather events, there was a ...

Helio Highlights: May… A satellite image showing the extent of the Northern Lights during part of the Mother's Day 2024 solar ...

Solar Maximum 2025 is the expected peak of solar activity in Solar Cycle 25, characterized by heightened sunspots, solar ...

The multimillion-dollar experiment that was years in the making comes as the federal government makes broad cuts to science ...

According to NOAA, another round of auroras is predicted to be visible from northern states in the U.S. between Monday, June 9, and Wednesday, June 11. Here's how, when and where to catch a glimpse of ...

The breathtaking celestial displays known as the aurorae — the aurora borealis in the Northern Hemisphere and the aurora ...