At the turn of the 21 st century, astrophysicists theorized that the Sun was headed toward a deep solar minimum, but a new ...

Fifty-five years after the first Earth Day, climate activists are organizing a nationwide celebration of solar power.

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

Solar activity has been on an overall decline since the ‘80s and scientists were expecting us to plunge into a historic low ...

The sun is in its most active phase—solar summer—causing auroras and posing real risks to satellites, GPS, and power systems ...

NASA scientists have determined that the Sun has increased in solar activity, defying expectations that it would enter a more ...