Solar flares are classified based on their strength and fall into five designated categories: A, B, C, M and X. An X-class ...

After last week's explosive X-flare, sunspot AR4046 is at it again! Could this latest eruption bring stormy space weather to ...

A powerful X1.1-class solar flare was released by the sun on March 28, resulting in radio blackouts across North and South ...

Traveling to a north-facing, high vantage point away from light pollution is the best bet to see the northern lights, ...

An unexpected X-class solar flare from a new sunspot region caused widespread radio blackouts across the Americas today ...

Astronomers used ALMA to observe Proxima Centauri and found frequent, intense flares that could destroy atmospheres of nearby ...

Multiple spacecraft captured the moon's shadow sweeping across North America at more than 1,500 mph during the 2024 total ...

Unlike the previous event, this latest eruption could have a greater impact on Earth ... the chances of an X-class flare — the most powerful category of solar flares — at 25% over the next ...

The April 2024 total solar eclipse offered a fleeting but powerful window into the sun’s impact on Earth’s atmosphere.