Discover when and where to see tonight’s Aurora Australis as a powerful solar storm increases the chance of Southern Lights ...

Solar Orbiter has captured the clearest evidence yet that a solar flare grows through a cascading “magnetic avalanche.” Small ...

The flare erupted from the sun’s active region 14341 at about 2:09 a.m. Beijing Time on Monday and was classified as an X1.9 ...

Thailand has been feeling the effects of a powerful geomagnetic storm triggered by a solar flare earlier this week, but experts say the worst is ...

Solar Orbiter saw that, in the lead-up to a solar flare, twisted magnetic fields break and reconnect, creating an outflow of energy that subsequently rains down through the Sun’s atmosphere in ...

At the end of 2024, ESA's Solar Orbiter was lucky to witness a strong solar flare - and observed the events leading up to this firework with ...

A snapshot taken a second before a powerful solar flare was unleashed from the Sun, as seen in unprecedented detail by Solar Orbiter ...

Just as avalanches on snowy mountains start with the movement of a small quantity of snow, the ESA-led Solar Orbiter ...

Earth endured its most intense solar radiation storm in over 22 years on January 19, 2026, a day after a powerful X1.9-class ...

A severe solar storm that struck the Earth's atmosphere on Monday caused the aurora borealis to be visible in several ...

Earth has been struck by its strongest solar radiation storm in over 20 years, triggering rare aurorae far from the poles and ...

NASA explained that the flare was classified as an X1.9 flare. X-class flares are the most powerful type of solar flares. The number 1.9 shows how strong the flare was within this highest category.