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.

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 ...

A "severe" solar storm has made the northern lights visible in the U.S. farther south than usual while also posing the ...

Beautiful aurorae were visible in locations around the world this week because of increased activity from the sun.

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

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 ...

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 ...

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

A strong geomagnetic storm brought the aurora to southern Colorado last night. Here's a look at the event through pictures ...

The Northern Lights may be visible in the D.C. area Wednesday night. WTOP’s Greg Redfern explains how to catch a glimpse.