Is it a cocktail? An art installation? A science experiment? What is this glowing, psychedelic, lava-lamp-looking ...

NASA’s newest space telescope rocketed into orbit Tuesday to map the entire sky like never before — a sweeping look at hundreds of millions of galaxies and their shared cosmic glow since the beginning ...

We all know rainbows-those colorful arcs that appear after rain when sunlight bends through water droplets. But have you ever ...

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