The sun’s current 11-year activity cycle has already peaked—but extreme outbursts from our star may still be in store ...

Growing up in a small town in Pennsylvania, astronomy and physics Prof. Michael Smutko could see the Milky Way alongside ...

A strange and unexpected phenomenon has been observed on the Sun: a section of its surface has broken off and is now ...

In a striking new view from space, the European Space Agency's Solar Orbiter has given scientists their first close-up ...

The Nuclear Furnace at the Sun's Heart The temperature in the Sun's core is about 27 million degrees Fahrenheit (15 million ...

Over the last decade, KoSO’s massive photographic collection — over 1,20,000 plates — has been digitised, converting a ...

The Sun's structure includes the photosphere (visible surface), chromosphere (reddish layer above the photosphere), and corona (outermost layer with extremely high temperatures). The Sun emits a ...

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

After a powerful solar flare, the plasma release will absorb clouds already moving towards the Earth from previous strong ...