Sunspot AR3663 erupted with powerful X1.6 and M4 solar flares. NASA's Solar Dynamics Observatory captured the fireworks.

Sunspots AR3664 and AR3663 have been erupting with X- and M-class solar flares. Both sunspots are Earth-facing and could ...

A NOAA forecast suggest that Northern Lights may be visible in northern U.S. states Saturday, Jan. 10, through Sunday, Jan.

After the Sun's solar maximum peak in 2024–25, scientists say that 2026 could deliver some of the most frequent and intense ...

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, ...

Claudio Neves Valente, the 58-year-old Portuguese national who opened fire at Brown University, killing two students last ...

To say that I was extraordinarily satisfied, no, but also I don’t regret what I did,” Neves Valente is quoted as saying in a ...

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

The sun is not only our closest stellar neighbor, it's also the star we understand the most. As we've observed it over the ...

Researchers have identified a newly recognized type of extremely energetic particles located in the Sun’s upper atmosphere, revealing a phenomenon that had not been detected before. Solar scientists r ...

Researchers followed a single solar hotspot for 3 months as it unleashed nearly 1,000 flares, revealing insights about our Sun's fury.

Solar physicists say they have found a key source of intense gamma rays unleashed when Earth's nearest star produces its most ...