After weeks of reduced activity, the sun erupted with three powerful flares on a single day. That could send solar flares ...

A 'killer' solar flare could potentially disrupt Earth's technology and life, but the chances of a flare large enough to ...

The M4.4 solar flare unleashed a coronal mass ejection (CME) into space — and Earth might just receive a glancing blow.

After more than three weeks without a powerful solar flare, the sun has suddenly ramped up its activity, firing off three ...

Space weather experts warn that a moderate-strength geomagnetic storm could hit Earth Friday or Saturday (Aug. 8 or 9) — ...

An active sunspot could give photographers another reason to photograph the night skies this weekend. A solar flare that hit ...

On April 19, NASA announced that two powerful solar flares had erupted from the Sun, on a course toward Earth. The flares peaked at 9:35 p.m. and 11:57 p.m. ET, respectively, according to ...

Gain access to all articles, ad-free browsing, exclusive content, The Vault, and other benefits!

The last M-class flare to threaten Earth was seen stemming from sunspot AR3038 last month as scientists warned of potential radio silence lasting about 10-minutes stemming from sunspot AR3038.

They added, “AR3038 has an unstable ‘beta-gamma’ magnetic field that harbors energy for M-class solar flares, and it is directly facing Earth.” Accompanying footage from NASA’s Solar ...