Solar flares, the sudden bursts of radiation that erupt from the Sun’s atmosphere, have become a topic of intense scrutiny ...

The change in the speed and trajectory of the 3I/ATLAS interstellar object may be due to the effects of solar flares on it.

A new giant sunspot, active region 4246, is now visible from Earth. Scientists believe another, even larger region is emerging. This solar activity could cause minor geomagnetic storms and disrupt ...

Sunspot activity increases on November 1, 2025, as new regions emerge on the Sun. Solar flares, coronal mass ejections, and geomagnetic conditions are monitored by NASA/SDO and EarthSky.

New ESA simulations suggest that a solar storm on par with the 1859 Carrington Event could wreak havoc on Earth-orbiting ...

The far side of the Sun has unleashed a spectacular eruption, hidden from Earth’s view but revealed through cutting-edge ...

A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these ...

New research reveals how powerful coronal mass ejections may have been essential to the rise of life on planet Earth.

NOAA's CCOR-1 coronagraph captured the blast that showed the sun's raw power in action.

Astronomers have used simultaneous ground-based and space-based observations to measure the temperature and velocity of gas ...

A powerful solar storm recently struck Venus, stripping its atmosphere due to the lack of a magnetic field. While Earth was ...