Sunspot AR3767 erupted with a X1.7-class solar flare, followed by an X1.1-class flare from sunspot AR3780. NASA's Solar ...

Portal Space Systems says it has successfully tested its solar thermal propulsion system at operational temperatures inside a ...

Watch footage of the Sun unleashing an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Footage courtesy: NASA / SDO and the AIA, EVE, and HMI ...

Research by university scientists suggests that solar flares may be far hotter than previously believed, offering new insights into the Sun’s behavior. The findings, recently published in the ...

Solar flares are colossal explosions in the sun's atmosphere that hurl out bursts of powerful radiation. These events are ...

Solar flares are intense bursts of light and particles from the sun. And while they can pose hazards for things like satellites, they are also beautiful, dramatic and incredibly hot. NPR's Nell ...

Beautiful yet dangerous solar flares that erupt from the sun could be as hot as 180 million degrees Fahrenheit, researchers say. That's more than six times hotter than solar physicists previously ...

The hottest parts of the sun are its solar flares, and a new study suggests these flares could be more than six times hotter than scientists used... Beautiful yet dangerous solar flares that erupt ...