People across Europe were pretty confused last night, after a giant blue swirl appeared in the sky, lasting several minutes.

April marks the last time to see Jupiter at its best before its observing window closes. On Tuesday evening (April 1), ...

the sky is not always blue. And Rayleigh scattering also explains why the sky tends to be reddish when the Sun is close to the horizon – at sunrise and sunset.When the Sun is near the horizon ...

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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.

And when he told his family members one of those teams, they made their preference as clear as a cloudless sky. “I was letting ... "I see nothing but opportunity and blue skies for us." ...

This is M88, a spiral galaxy in the constellation Coma Berenices. M88 has a visual magnitude of +9.4 and is 65 million light ...