There are now over 10,000 satellites in orbit, more than at any point in history, and this growing number is starting to reveal how solar storms could disrupt internet mega constellations like SpaceX' ...

Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

Scientists detect Alfvén waves twisting in the Sun’s corona Waves may explain the corona’s million-degree heat Observation ...

NASA's Interface Region Imaging Spectrograph (IRIS) mission captured an X1.1-class solar flare. See time-lapse footage of the ...

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.

In July 2025, astronomers detected 3I/ATLAS, the third confirmed interstellar object. While viewed as a comet, Dr. Avi Loeb suggests exploring alternative hypotheses due to its unusual characteristics ...

As comet 3I/ATLAS nears the Sun, viral TikTok videos fuel alien spacecraft rumours, while astronomers insist it is a natural ...

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

I/ATLAS has unexpectedly become bluer than the Sun, hinting that it could be emitting light, not just reflecting it — a sign ...

I/ATLAS has unexpectedly become bluer than the Sun, hinting that it could be emitting light, not just reflecting it — a sign ...

I/ATLAS stunned astronomers by surviving its close encounter with the Sun without flaring, fragmenting, or forming a tail — ...

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