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Biggest solar flare since 2017 erupts from sun and Earth is in the firing line (video)
By Daisy Dobrijevic published
On Oct. 3, the sun released the most powerful solar flare this solar cycle, a colossal X9.05 eruption — and it's heading for Earth.

Sun unleashes monster X7.1 flare that could supercharge Earth auroras (video)
By Meredith Garofalo published
Just when we thought the sun was taking a bit of a break, the sunspot AR3842 fired off two powerful solar flares, including a monster X7.1.

Scientists have found evidence of past extreme solar storms. Their return could be disastrous for our technology-based societies
By Maarten Blaauw, Ilya Usokin, Tim Heaton published
The rings are telling a story.

Astrophotographer captures the beauty of solar activity in stunning sun photo
By Miguel Claro published
Astrophotographer Miguel Claro captured an incredibly detailed timelapse of solar activity, revealing a roiling sun sprouting several massive loops of plasma.

Equinox increases chances of geomagnetic storm from solar eruption this week
By Robert Lea published
The sunspot AR3835 erupted on Sunday (Sept. 22) during Earth's equinox when even a glancing blow can cause a geomagnetic storm.

Could we turn the sun into a gigantic telescope?
By Paul Sutter published
Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep into space.

Sun fires off X-class solar flare, increasing aurora viewing chances into weekend
By Meredith Garofalo published
The sun unleashed an X1.3-class solar flare on Thursday (Sept. 12), increasing the likelihood of widespread auroras this weekend.

7 years ago today, the sun unleashed a record-breaking solar flare
By Ryan French published
As August 2024 set another 20-year high for sunspots, recent solar flares have yet to top two solar flares from September 2017 that still hold unbroken records.
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