In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...

On hearing the word sky, a blue sheet appears in front of the eyes. But have you ever wondered why the sky is blue? And when ...

When we look for extraterrestrials, we often peer into the depths of space. But alien life might be closer than you think ...

Astronomers are applying new image-processing techniques to previously released Hubble observations in honor of the space ...

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