The findings, recently published in the Astrophysical Journal Letters, indicate that ions within solar flares may reach temperatures more than 6.5 times higher than earlier estimates, according to ...

Solar flares heat ions to 108 million°F, six times hotter than thought, reshaping space weather forecasts and satellite protection.

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

Galileo saw it first, but this time astronomers had a better view of what is going on with the sun and found a reason why ...

A moderate increase in solar activity is expected on Thursday, while there are no risks to the Earth. This was announced on ...

Indian students have developed a new system that could give an early warning about an incoming solar storm from the Sun. The ...

NASA's Solar Dynamics Observatory captured imagery of the Sun erupting with an M8.7 and X1-class solar flare on Oct. 2, 2022.

A giant S-shape structure, around 10 times wider than Earth, recently appeared in the center of the sun, moments before our ...

Solar flares can be many times the size of Earth and can damage things like satellites. A new study suggests that eruptions from the sun can be even hotter than researchers thought.

The hottest parts of the sun are its solar flares, and a new study suggests these flares could be more than six times hotter ...

NOAA forecasts a Labor Day geomagnetic storm that could push the northern lights into the Pacific Northwest, with a chance for skies to glow over Oregon.

A "cannibal" solar storm is expected to hit Earth, potentially creating auroras visible in several U.S. states.