Upon impact, it unleashed a severe G4-class geomagnetic storm, as confirmed by Noaa's Space Weather Prediction Center.

Astronomers from the University of Hawaiʻi's Institute for Astronomy (IfA) have discovered the most energetic cosmic explosions yet discovered, naming the new class of events "extreme nuclear ...

There were significantly more X-class solar flares in 2024 than any other year for at least three decades. The arrival of solar maximum was a key reason for the spike, but other factors were also at ...

For more than a century, astronomers have known that some “new stars” flaring into view are not births at all but violent outbursts on long‑dead stellar cores. What they lacked was a clear, close look ...