Your browser does not support the video element. An X-Class solar flare — the most dangerous kind — erupted from the sun toward Earth today at 1:46 p.m. EDT from ...

"We've been able to show, for the very first time, that the sun's flare pulsations and Earth's atmosphere were pulsing in sync during a solar flare." Earth's atmosphere pulses in sync with the sun ...

Space Weather Live says the new solar flare is an X2.2. That makes it the most powerful solar flare the Sun has unleashed in the past five years. X-Class solar flares are the strongest possible.

Solar flares are spectacular, yet potentially dangerous, eruptions of energy from the Sun's surface. They occur when intense magnetic energy that has built up in the solar atmosphere is suddenly ...