The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

Scientists said the sun erupted Tuesday morning, unleashing a strong X5.1-class flare in an intense outburst, causing ...

Blue Origin canceled its planned Mars-bound launch of its ESCAPADE craft for the second time due to increased solar flare ...

The last in a series of three coronal mass ejections hit Earth on Wednesday, so experts are keeping an eye on geomagnetic ...

The northern lights could be visible from a much larger portion of the northern United States than usual on Tuesday night and ...

The most powerful solar flare of 2025 has launched a ball of energy toward Earth that could trigger widespread auroras across ...

The strongest since Oct. 3, 2024 has been detected by NASA’s Solar Dynamics Observatory. It could mean widespread aurora ...

The same active region of the sun that produced stunning auroras that were visible as far south as Mexico earlier this week ...

Solar flares are classified based on their strength into classes A, B, C, M, and X, with each class being ten times more ...

A powerful solar eruption from sunspot AR4274 triggered a massive X5.1-class solar flare, causing a Ground Level Event (GLE) ...

The Sun recently erupted with its most powerful solar flare of 2025, a massive burst of energy that immediately impacted ...