The northern lights could be visible across as many as 16 northern states in the U.S. on Sunday, Nov. 9, into Monday, Nov. 10, with a G2 geomagnetic storm being forecast by space weather experts at ...

A powerful solar flare erupted from the sun on November 14, 2025, causing radio blackouts across parts of Africa. This X4-class flare, the second-strongest of the year, originated from a highly active ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A spot on the sun 10 times larger than Earth has been seen ...

Explosive sunspot AR3663 and its bigger cousin AR3664 are the current main solar flare players, unleashing flare after flare. We're struggling to keep up! When you purchase through links on our site, ...

On December 8, 2025, the Sun unleashed a powerful solar flare, an event that captivated the attention of scientists and space enthusiasts alike. This flare, classified as an X1.1, marks one of the ...

The Sun emitted two strong solar flares, peaking at 4:48 a.m. and 2:36 p.m. ET on Saturday, June 1, 2024. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured images of the ...

The sun is not a static, tranquil sphere of gas, but an active, turbulent star with magnetic fields that twist and snap in powerful eruptions. Among the most striking and energetic of these eruptions ...

Like the number of sunspots, the occurrence of solar flares follows the approximately 11-year solar cycle. But as the current Solar Cycle 25 approaches its peak, how are the number of solar flares ...

Considered our solar system's largest explosive events, solar flares can sometimes be as strong as a billion hydrogen bombs. Those with enough energy output to rank as an X-class have the potential to ...

In the span of two days last week, the sun released two strong solar flares — meaning the solar system experienced its most powerful explosions which can cause some communications blackouts on Earth, ...