BOULDER — The next sunspot cycle will be 30-50% stronger than the last one and begin as much as a year late, according to a breakthrough forecast using a computer model of solar dynamics developed by ...

A single patch on the Sun recently stayed hyperactive for 94 straight days, hurling flare after flare into space and setting ...

In direct contradiction to the official forecast, a team of scientists led by the National Center for Atmospheric Research (NCAR) is predicting that the Sunspot Cycle that started this fall could be ...

The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar ...

The solar cycle continues to ramp up with currently the largest number of sunspots in the last two decades and maybe even longer. NOAA’s Space Weather Prediction Center(SWPC) reports the estimated ...

With several solar flares and coronal mass ejections soaring out into space, the sun has had an active few months as the current solar cycle gathers momentum. This solar cycle, Solar Cycle 25, is ...

A massive sunspot on the sun's surface just left us another parting gift just as it rotates out of sight from our perspective here on Earth. "Region 3664 produced yet ANOTHER X-ray flare as it moves ...

The strongest solar flare in half a decade just launched off the sun from the same sunspot group that triggered dazzling auroras last weekend. But don't expect northern lights this time around. When ...

Federal forecasters are warning of a severe solar storm through Tuesday that potentially threatens satellites, orbital communications and some infrastructure. The warning follows a volley of solar ...

Proof that the current sunspot cycle is percolating right along comes with the appearance a large, new sunspot group that's quadrupled in size over the past few days. Active region 2936 is now about ...

NASA scientists are warning that the sun may be "waking up" from a brief period of relative inactivity, contradicting past assumptions about our home star. If true, this could mean that decades of ...

How can 400-year-old sunspot drawings help modern-day scientists with solar cycles? This is what a recent study published in The Astrophysical Journal Letters hopes to address as an international team ...