Solar Orbiter pieced together 200 ultraviolet images to show our star’s million-degree atmosphere in all its glory.

The European Space Agency (ESA)'s Solar Orbiter mission has obtained a stunning high-res image of the sun's upper atmosphere.

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

"Before Hubble, no generation ever had access to unimaginably vibrant views of space, stretching almost all the way back to ...

In celebration of the 35th anniversary of the legendary space telescope’s launch, here are 35 of our favorite images it has ...