Dark spots on the Sun soar to 23-year high

Experts record a record-breaking number of sunspots on the surface of our home star during the month of August.

A Gigantic Hole Just Opened Up in the Sun

A massive hole opened up in the Sun's atmosphere over the weekend, measuring more than 60 times the diameter of the Earth across at its peak.

Solar Cycle 25 has arrived. Here's what to expect

The sun goes through a regular 11-year cycle, swinging between periods of dormancy and periods of activity. Scientists have just announced that the sun will be ramping up in activity over the next few years.