A powerful X1.8 solar flare erupted on January 4, 2025, and was recorded at its peak—7:48 a.m. ET—by NOAA’s Solar Ultraviolet ...

As scientists continue to monitor the sun with missions like the ESA’s Solar Orbiter, they remain prepared for both the ...

This Christmas Day, the skies may add to the festive cheer with a display of auroras, thanks to a blob of charged particles ...

Solar Cycle 25’s peak to bring more solar flares and geomagnetic storms Widespread auroras expected due to continued solar ...

The sun is bidding farewell to 2024 with a bang—or rather several bangs. Our star produced three powerful flares on December ...

By historical definition, Solar Cycle 1 occurred between 1755 and 1766, placing the sun 's current cycle in Solar Cycle 25. As of the end of 2024, we are firmly within the solar maximum period.

A festive auroral display may be put on for a lucky few when coronal mass ejections hit Earth on Christmas Eve and Christmas Day.

The sun fired off an X1.2-class solar flare on Friday (Jan. 3), triggering radio blackouts throughout parts of the South ...

This happened during a period of intense solar flare activity in May of 2024. In a halo CME, the observer sees something like what you'd see if you had a garden hose pointed directly at a video ...

On January 3, the Sun unleashed a powerful X1.2 solar flare, the first one in 2025, causing radio blackouts in parts of South ...

It's been a busy year on the sun, as it officially entered the peak of its roughly 11-year cycle of activity, known as solar maximum. In 2024, the sun launched over 50 X-class solar flares — the ...

are triggered by activity on the sun’s surface. These displays are the result of eruptions of electromagnetic radiation, or solar flares, and bubbles of plasma that often burst along with those ...