Solar flares are flashes of ultraviolet and X-ray radiation released from active areas of the sun's surface, usually sunspots. They are classed by power on a scale of A, B, C, M, and X-class, where X ...

A powerful solar flare was released by the sun last Thursday, producing conditions that allowed many people to witness the ...

Star gazers can expect more glimpses of the northern lights as the sun reaches its solar maximum, causing more geomagnetic storms.

As predicted by space weather forecasters, mid-latitude auroras were visible on Sunday, Oct. 6 and Monday, Oct. 7, across the ...

NASA and NOAA have declared the Sun's solar maximum, noting increased sunspot activity and heightened solar events that influence Earth's space weather. This period is linked to significant ...

Scientists at NASA and NOAA think the sun has reached the maximum phase of the solar cycle, which means another year — at ...

Solar activity waxes and wanes on an 11-year cycle. The current cycle, known as Solar Cycle 25, began in December 2019 and is still in its maximum phase, experts say.

NASA is launching a coding competition to get some much-needed help with organizing images from April's solar eclipse for the ...

Mar. 27, 2024 — Scientists captured images showing the development of ... Comprehensive List of Slow-Building Solar Flares Jan. 31, 2024 — Although solar flares have been classified based ...

A severe solar storm sparked by an intense flare from the sun could reach "extreme" levels as it bombards Earth, officials with the U.S. National Oceanic and Atmospheric Administration (NOAA) warned ...

An explosion of particles arrived at Earth on Thursday, and could lead to visible northern lights in much of the country ...

Dr Laura Hayes discusses breakthroughs in heliophysics and how the weather caused by the sun's activities is an important area of study.