Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

NASA's Interface Region Imaging Spectrograph (IRIS) mission captured an X1.1-class solar flare. See time-lapse footage of the ...

On the Red Planet, aurorae glow green because the charged particles collide with oxygen atoms high above Mars. They may be ...

An image from NASA's Solar Dynamics Observatory shows the large coronal hole in the Sun's atmosphere, while NOAA's ENLIL solar wind model shows Earth in the middle of the high speed stream of the ...

A massive ejection from the sun has unleashed multiple solar storms in Earth's magnetic field, potentially messing with ...

Most places on Earth have seasons because our planet is on a tilt as it orbits the sun. But our star also has its own version ...

There is a chance for some geomagnetic storms, potentially making the phenomenon visible in more states, forecasters said.

Well first of all, in the right circumstances, it is possible to see the Northern Lights from your bedroom window, according ...

Ahead of Macquarie University's annual Astronomy Open Night on September 27, astrophysicist Dr Deepak Chahal explains.Most ...

Solar flares heat ions much more strongly than electrons. The finding offers a new explanation for spectral line broadening.

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

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 ...