It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation ...

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 ...

There's a lot less sky and a lot more moon in view for Firefly Aerospace's "Ghost Riders in the Sky" mission.

It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation for why the sky is blue: blue light from the sun is scattered the most when ...

Firefly Aerospace's Blue Ghost moon lander caught haunting images of Earth while preparing to make its way towards lunar orbit. Blue Ghost launched on the "Ghost Riders in the Sky" mission on Jan ...

In short, the sky looks blue because the blue portion of sunlight ... the tennis ball “eats” the marble and then very quickly spits it back out again, but in a random direction.