A flare star is a variable star that can undergo unpredictable dramatic increases in brightness for a few minutes.

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US radio blackouts as historic sunspot fires off "remarkable" X-flare

Solar Stormwatch: NASA Catches Intense X1.1 Flare in Action

Radio blackouts as "hyperactive" sun fires off fourth X-flare

AI and physics combine to reveal the 3D structure of a flare erupting around a black hole

AI and physics combine to reveal the 3D structure of a flare erupting around a black hole - EurekAlert

The Sun unleashing a spectacular solar flare and coronal mass ejection, captured by the Solar Dynamics Observatory spacecraft.

We've Just Seen a Black Hole Dramatically Flare to Life in The Far Reaches of Space

NASA Reports ‘X1’ Solar Flare As Sun’s Activity Hits 21 Year Peak

Strong Solar Flare From A Gargantuan Sunspot May Be Just The Beginning

The Sun Just Unleashed a Huge Solar Flare, Triggers Radio Blackout in US

Intensely Powerful X1.0 Solar Flare Witnessed by NASA’s Solar Dynamics Observatory

Sun blasts out powerful X-class solar flare causing radio blackouts on Earth (video)

Radiant Fury: Sun Unleashes Powerful X1.0 Class Solar Flare

IXPE Detects 200-Year-Old Flare from Milky Way’s Supermassive Black Hole

Sun unleashes giant X-flare in outburst that could spark auroras on Mars (video)

Mysterious flare a trillion times brighter than our sun could be a 'disc inferno' ripping a baby planet apart

Brilliant gamma-ray flare 100 times brighter than our entire galaxy reveals 1 monster black hole is actually 2

Flare of light brighter than a trillion suns reveals location of rare double black hole galaxy

Social and genetic experiments in mice reveal the pathway by which chronic stress triggers irritable bowel disease flare-ups

Powerful solar flare erupts from hidden sunspot sparking widespread radio blackouts (video)