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

The rocket's frozen exhaust plume appears to be spinning in the atmosphere and reflecting the sunlight,' the Met Office ...

You might think that explaining why the sky is blue would be kind of simple ... the tennis ball “eats” the marble and then very quickly spits it back out again, but in a random direction.

Resilience launched Jan. 15 aboard a SpaceX Falcon 9 rocket, which also sent Firefly Aerospace's Blue Ghost lunar lander into the final frontier. Blue Ghost aced its touchdown early Sunday morning ...