Sun

The searing hot ball of gas at the heart of our planetary neighborhood is home to almost all the mass of the solar system—but it's getting lighter all the time.

Polarity changes can occur within centuries, not just over millennia.

On Friday, the Moon will obscure a chunk of our star.

The planet Mercury was the key for this latest feat.

This is just one of several disturbing effects the sun can have on our skin.

The solar minimum is coming and scientists are getting ready.

The scientists also say similar shields could already be in use by advanced alien civilizations.

The X9.3 solar flare was the largest since 2005 when an X17 flare was recorded.

The compilation includes views from the International Space Station, the Solar Dynamics Observatory and other spacecraft.

Don't forget special glasses, solar filters and common sense.

Watching the footage captured earlier this month is like taking part in a 30-second meditation.

Scientists have analyzed over 30 years worth of data to find out what’s going on with the sun and its unusual activity.

Solor minimums occur every 11 years.

The mission will help us better understand the extreme regions on our star—and the dangers they pose to Earth.

Get ready to see the sun in a whole new light.

It’s possible the chemical could be ingested by humans to protect them from the sun.

NASA published two videos for the fifth anniversary of its Solar Dynamics Observatory.