An astronaut aboard the International Space Station has shared a striking photo of what is known as a Transient Luminous ...

A previously unexplored globular cluster glitters with multicolored stars in this NASA Hubble Space Telescope image. Globular ...

Astronaut Nichole Ayers recently witnessed a phenomenon known as a sprite from the International Space Station.

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

The Vera C. Rubin Observatory released a sneak peak of some of the images it is unveiling, the first set of space images from ...

A rare cloud phenomenon has been spotted and photographed by eagle-eyed reader Adrian Webster. He spotted these noctilucent ...

Hubble captures three infant stars lighting up a blue nebula, with a secret protostar forming in a shadowed disc below.

The Vera C. Rubin Observatory has unveiled its first close-up image of the cosmos, offering an extraordinary new perspective ...

Download this Seamless Dark Blue Night Sky Pattern With Gold Foil Constellations Stars And Watercolor Clouds vector illustration now. And search more of iStock's library of royalty-free vector art ...

Lightning lit up the sky in southern York County Thursday evening as thunderstorms rolled through. Video above: News, weather ...