Witness the first images of the September 2025 partial solar eclipse. The moon and sun put on a magnificent show on Sept. 21 ...

The festival was part of Sun Day — two words — the first-ever nationwide day calling for the large-scale deployment of solar ...

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 ...

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

During the solar eclipse, the sun's rays are extremely intense and can permanently or irreparably damage your eyes if viewed ...

The Solar Orbiter has delivered the "highest resolution image ever of the Sun’s south pole" according to the European Space ...

Watch footage of the Sun unleashing an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Footage courtesy: NASA / SDO and the AIA, EVE, and HMI ...

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

Astronomers explain that the Sun looks darkened during a partial eclipse because the Moon essentially "bites" into it. The degree of darkness depends on how much of the Sun’s surface is obscured from ...

Back in 2019, a consortium of scientists predicted August 2025 as the peak of the solar activity cycle. But where are we now?