Science ❯ Astronomy

Space Weather

Geomagnetic Storms Auroras Solar Activity Coronal Mass Ejections Solar Storms Aurora Borealis Solar Flares Solar Wind Solar Phenomena Geomagnetic Activity

Medieval Records and Tree Rings Reveal Giant Solar Particle Event in 1200–1201

The approach offers a clearer timeline of risky solar blasts to guide protection for satellites and astronauts.

Late CME Arrival Lowers Aurora Forecast to G1–G2 Tonight

NOAA Issues Geomagnetic Storm Watch as Aurora Chances Rise Near U.S.–Canada Border

NOAA Issues G2 Geomagnetic Storm Watch as March 16 CME Arrives, Expanding Aurora Potential

Study Confirms Record Martian Electron Surge From 2024 Solar Superstorm

ESA Mars Orbiters Capture Record Ionospheric Surge From 2024 Solar Superstorm

Helioseismology Study Finds Shifting Solar Interior Across Quiet Cycle Minima

NOAA Ups Aurora Outlook: Kp 5 Could Bring Northern Lights to 15 U.S. States Tonight

NOAA Issues Geomagnetic Storm Watch as Auroras Likely Reach 11 U.S. States

Earth-Facing Sunspot 4366 Fires Off New X-Class Flares as Agencies Issue Geomagnetic Watch

New X4.2 Solar Flare Erupts From AR4366 as Earlier CME Nears Earth

Sunspot AR4366 Hurls X-Class Flares as CME Is Forecast to Brush Earth Thursday

NOAA Forecasts Minor Geomagnetic Storm Tonight, Northern Lights Possible From Alaska to Maine

Solar Orbiter Captures 'Magnetic Avalanche' Behind Major Solar Flare

ESA’s Proba-3 Unveils Eclipse-Quality Video of Three Solar Prominence Eruptions

Severe Solar Storm Triggers Widespread Auroras as NOAA Confirms G4 Conditions

NOAA Warns of Strong Geomagnetic Storm Tonight as Auroras May Reach Unusually Far South

NOAA Sees Northern Lights Overnight Across Much of Canada and 15 U.S. States

Scientists Forecast Elevated Geomagnetic Conditions This Week, No Strong Storms Expected

Aditya‑L1 Study Finds Turbulent Sheath Drove 2024 Solar Storm’s Harshest Earth Impacts