Reference There are five different types of solar flares. Discover what solar flares are, what causes them and the effects they have on Earth in our solar flare guide.
See our amazing collection of stories and features about the increasingly important topic of space weather (aka solar storms).
Scientists are keeping an eye on a sunspot that fired off an X-class flare while "having an identity crisis," according to SpaceWeather.com.
Reference NASA's Parker Solar Probe is on a mission to study the sun closer than ever before. Learn more about the fastest spacecraft to date in our solar probe guide.
While our sun merrily blasted two moderate-size solar flares in time for Star Wars Day, auroras are likely not our destiny yet.
The active sun fired off a powerful X-class flare Tuesday (May 3), but likely not in the direction of Earth.
An active sunspot on the sun turning away from Earth unleashed a powerful parting shot as it moved out of view on Saturday (April 30).
Scientists with the United Arab Emirates' Mars mission have spotted a 'worm-like' aurora stretching halfway across the Red Planet.
A restless sunspot sent off a double solar flare on Monday (April 25), temporarily disrupting some radio communications in Asia and Australia.
It's no coincidence that the headlines have been full of solar flares and storms: Solar cycle 25, as astronomers call it, is now well under way.
There were reports of a shortwave radio blackout over Australia, the Western Pacific and eastern Asia.
Two immense swarms of sunspots have popped into view on the surface of the sun, hinting at the increased possibilities of vivid auroras and potentially damaging solar flares over the months to come.
Strong solar activity generated green glowing auroras over Alaska, as one photographer witnessed April 11 from Trapper Creek.
The sun unleashed a major solar flare over the Easter holiday weekend, likely setting the stage for more solar storms to come.
After a dead sunspot hurled a ball of plasma toward Earth earlier this week, medium-sized auroras may stretch even farther south than usual.
The "corpse" of a sunspot exploded Monday (April 11), triggering a mass ejection of solar material that is headed in Earth's direction.
Filaments of plasma escaped from a fiery canyon that opened on the sun's surface on Sunday (April 3) and might bring more auroras to Earth later this week.
On Sept. 1 and 2, 1859, telegraph systems around the world failed catastrophically. What would the same storm do today?
A series of solar storms aimed at Earth this week have supercharged the Earth's auroras, creating dazzling displays for skywatchers.