Talk about a heated situation. The sun unleashed two colossal solar flares within seven hours of each other this week, ...

The sun has certainly woken up! It has fired off not one but two powerful X2.5 solar flares within just 7 hours.

A powerful X7.1-class solar flare from sunspot AR3842 is heading toward Earth, likely triggering a G3-class geomagnetic storm ...

The sun is an incomprehensibly gigantic, constantly roiling nuclear furnace—but some days are even busier than others. Based ...

From 93 million miles away, the Sun just got a lot more personal. Astronomers have now seen some of its finest magnetic threads in sharper detail than ever before, and those tiny features could change ...

The northern lights may be visible this weekend after a flurry of activity on the sun, with an X-class solar flare and ...

A newly discovered massive coronal hole has emerged on the eastern side of the sun, which releases fast solar wind that will reach Earth within the next few days and could create auroras in ...

An M3-class solar flare that lasted about 3 hours created a massive coronal mass ejection. The Solar Dynamics Observatory ...

Parker Solar Probe reached "perihelion," the nearest point to the sun in its orbit, on Dec. 13, 2025. Credit: ASA / Johns Hopkins APL / Steve Gribben illustration A NASA spacecraft is making a close ...