Artists have sought to capture the perfect blue of a summer sky or the fiery red of a sunset. The scientific explanation of why the sky is blue adds another layer of wonder.

A private lunar lander has captured the first high-definition sunset pictures from the moon. Firefly Aerospace and NASA released the stunning photos Tuesday, taken before the Blue Ghost ...

A lunar lander has completed its two-week mission and sent spectacular sunset images as a "final goodbye" back to Earth. The Blue Ghost Mission 1 lander was launched by Firefly Aerospace in mid ...

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 ...

CAPE CANAVERAL, Fla. (AP) — A private lunar lander has captured the first high-definition sunset pictures from the moon. Firefly Aerospace and NASA released the stunning photos Tuesday, taken ...