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

After solar activity spent several decades on the decrease, the number of sunspots, flares and coronal mass ejections is once ...

Viewers will first see the moon take its first bite out of the sun at 1:29 p.m. ET (1729 GMT) on Sept. 21. Observers located ...

The bottom of the world is set to be front and center for a partial solar eclipse. Antarctica, New Zealand and a sliver of ...

The final solar eclipse of 2025 is set to occur today, September 21, offering a celestial spectacle for skywatchers worldwide ...

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

Have you seen the Northern Lights? They're more than just pretty colors; when you see them in Pittsburgh, there's science ...

A partial solar eclipse will create a unique 'crescent sunrise' the morning of September 22. Here's how and where to see it.

ESA's Solar Orbiter captured a "tube of cooler atmospheric gases snaking its way through the Sun’s magnetic field," according to ESA. See it "slither" in these time-lapsed views. Credit: ESA & ...

The final solar eclipse of 2025, also known as Surya Grahan, will occur on September 21, just before the equinox. While not visible in India, parts of the Southern Hemisphere will witness it ...

Partial solar eclipses are more frequent than total ones, but each occurrence is unique in its path and visibility.