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

Solar Orbiter began routine science operations in 2021 and has since looped ever closer to the Sun, stealing bits of speed ...

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

Here's an observers' guide to the newly discovered Comet 2025 F2 (SWAN), which is visible in northern skies right now.

It enables X-ray light with photon energies of more than 15 kiloelectronvolts to ...

A special kind of ultraviolet light called far-UVC, CBS News reported. Unlike regular UVC light, which can be harmful to people, far-UVC has a shorter wavelength. That means it can kill viruses ...

One possible solution? A special kind of ultraviolet light called far-UVC, CBS News reported. Unlike regular UVC light, which ...