The sun
Latest about The sun
Solar storm bombarding Earth now may reach 'extreme' levels, sparking auroras down to Alabama and straining hurricane-weakened power grids
By Tariq Malik published
A severe solar storm sparked by an intense flare from the sun could reach "extreme" levels as it bombards Earth, NOAA officials warned Thursday (Oct. 10).
Severe solar storm could supercharge auroras across US, impact power grids, NOAA warns
By Meredith Garofalo published
A powerful X-class solar flare that erupted on Tuesday (Oct. 8) could generate a strong geomagnetic storm Thursday (Oct. 10) and Friday (Oct. 11), possibly leading to supercharged auroras.
The sun fires off another powerful X flare, triggering radio blackouts across the Americas (video)
By Meredith Garofalo published
An X2.1 solar flare erupted from the prolific sunspot AR 3842 on Monday (Oct. 7), triggering radio blackout across North and South America.
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.
Get the Space.com Newsletter
Breaking space news, the latest updates on rocket launches, skywatching events and more!