Solar Cycle 25

The Sun emitted a strong solar flare, peaking at 11:19 p.m. EDT on March 29. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event.  Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft […]

The Sun emitted a strong solar flare, peaking at 7:13 a.m. ET on Feb. 4. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event.  Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft […]

The Sun emitted a strong solar flare, peaking at 9:08 a.m. ET on Feb. 3. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event.  Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft […]

The Sun emitted three strong solar flares on Feb. 1, peaking at 7:33 a.m. ET, 6:37 p.m. ET, and 7:36 p.m. ET. The Sun emitted a fourth strong solar flare on Feb. 2, peaking at 3:14 a.m. ET. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured images of the events.  Solar flares are […]

The Sun emitted a strong solar flare, peaking at 1:09 p.m. EST on Jan. 18, 2026. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured video of the event.  Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft […]

The Sun emitted a strong solar flare, peaking at 12:01 a.m. on Dec. 8, 2025. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event.  Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft […]

The Sun emitted a strong solar flare, peaking at 9:49 p.m. ET on Nov. 30, 2025. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event. Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft and astronauts. […]

The Sun emitted a strong flare, peaking at 3:30 a.m. ET on Nov. 14. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured imagery of the event. Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft and astronauts.     […]

The Sun emitted a strong solar flare, peaking at 7:50 p.m. ET on June 19. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event. Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft […]