Tonight and the rest of the weekend could be your best chance ever to see the aurora. The Sun has…
The Sun belted out strong solar flares two days in a row, as activity ramps up toward the next Solar…
New images of the Sun’s chromosphere – the lower region of the solar atmosphere -- have been released, and to…
A Sun-like star over 100 light-years away experienced a massive flare and ejection that would be devastating if it happened…
Auroral activity on Earth varies over time. As the magnetic poles drift, auroras can appear at different latitudes around the…
Vivid green and purple aurora swirled and danced across the entire night sky in Sweden recently. The nighttime light show…
Space is full of hazards. The Earth, and it’s atmosphere, does a great job of shielding us from most of…
"A great fire appeared in the sky to the North, and lasted three nights," wrote a Portuguese scribe in early…
Every 200,000 to 300,000 years Earth's magnetic poles reverse. What was once the north pole becomes the south, and vice…
The sun constantly cycles between periods of activity and periods of inactivity, and a new technique allows scientists to better…