Stargazers in parts of Europe were stunned by an unusual sight on Monday evening: a large, glowing blue spiral in the sky.

The cause of the strange blue spiral is actually a SpaceX Falcon 9 rocket that blasted off from Space Launch Complex 40 ...

Astrophysicist Dr. Paul Sutter spoke with NBC News' Gadi Schwartz on the spectacular atmospheric event that a SpaceX rocket ...

This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

We’ve received many reports of an illuminated swirl in the sky this evening,” the British Met Office wrote on social media Monday night. “This is likely to be caused by t ...

The sun has set on the Blue Ghost ... Earth and sought a mysterious yellow glow at sunset. Built by Firefly Aerospace, a startup in Texas, Blue Ghost was launched from Earth in January and pulled ...

Blue Ghost completed 14 days of surface operations, deploying its various payloads and transmitting more than 119 gigabytes ...

You might think that explaining why the sky is blue would be kind of simple. But even a brief explanation of it requires a lot of science. The colors of everything you see are produced in ...

NASA and Firefly Aerospace released the first high-definition pictures of a sunset on the moon on Tuesday, taken before the Blue Ghost lander fell silent over the weekend.