The sun unleashed a third X-class solar flare on Nov. 11. Clocking in at X5.1, it is the biggest solar flare this year and ...

Northern lights dazzled much of the northern U.S. Tuesday after a solar flare. Forecasters say another colorful show could ...

Waves of solar flares keep pouring out of the sun, sparking "rolling" radio blackouts across the world. Active sunspot regions on the sun's surface are responsible for the flares, which are classified ...

Could this be the Perfect Geo-storm? October is off to a hot start: The sun unleashed a massive X-class solar flare — the “strongest of its kind,” according to Space.com — that has the potential to ...

Blue Origin canceled its planned Mars-bound launch of its ESCAPADE craft for the second time due to increased solar flare ...