Solar cycle space weather models may be miscalibrated: a new helioseismology study found the Sun’s magnetic activity has retreated toward its surface since 1987 in ways sunspot counts never detected.

NASA Solar Dynamics Observatory captured a M7.9-class solar flare. See footage of the blast in multiple wavelengths. Credit: ...

Sunspot AR3842 erupted with an X7.1-class solar flare. NASA models predict that the coronal mass ejection created by the ...

The Solntse-Teragerts telescope will observe and collect data about strong solar flares emanating from the sun.

The Sun unleashed a bizarre radio signal that kept broadcasting for 19 straight days, leaving NASA scientists stunned.

Scientists spotted patterns hours before a major solar flare, a discovery that could help forecast dangerous eruptions.

When you look up at the sky on a sunny day, the sun might seem like a bright spot, unchanging in the sky. But the sun is a ...

A NASA sounding rocket launched at 11:23 a.m. Thursday from Poker Flat Research Range in a continuing mission that uses X-rays to study the sun. The NASA Black Brant IX rocket carried the Focusing ...

NASA's Solar Dynamics Observatory recorded two strong solar flares last week. The first flare peaked at 9:07 p.m. April 23. The second reached its peak at 4:13 a.m. April 24. According to NASA press ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This voice experience is generated by AI. Learn more. This ...