Scientists have spotted elusive "magnetic waves" in the sun's atmosphere that may explain why the sun's corona is much hotter ...

For decades, scientists have wondered how the Sun’s outer atmosphere — the corona — burns millions of degrees hotter than its ...

NASA’s Solar Dynamics Observatory photographed a face-like pattern on the Sun, creating a perfectly timed Halloween image.

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

The interstellar object dubbed 3I/ATLAS has been fascinating astronomers since its discovery in early July. The object, generally believed to be a comet, is screaming through the solar system at ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets. The European Space Agency is making use of spacecraft designed for Mars and ...