SUNSET: 
The Sun's Ramping Up Activity — But Still Weaker Than in the Past
The Sun has recently experienced an uptick in activity, with lots of sunspots accompanied by flares, coronal mass ejections, and visible auroras — but experts still expect a mild solar cycle.
Astronomers Map the Solar System's Edge in 3D
Collecting high-speed atoms has enabled researchers to trace the shape of our Sun’s protective bubble.
Tree Rings Help Reconstruct a Millennium of the Sun's Activity
Astronomers are using tree rings as a historical record of solar activity — and they've found that the Sun was much more active in the past.
The Sun’s Activity Cycle Is Stabilizing
Solar Cycle 25 is here, and forecasts suggest the next decade of the Sun’s activity will mimic the last one — halting a 40-year trend.
Is Our Sun Slowing Down in Its Middle Age?
The Sun, now halfway through its life, might be slowing its magnetic activity, which could lead to permanent changes in the sunspots and auroras we see.
Explore the Night with Bob King
Fun in the Sun: A White-Light Guide to Our Nearest Star
We examine the fascinating solar phenomena that anyone with a small scope and safe solar filter can see, whether the Sun's in eclipse or not.
