Gemstones like precious opal are beautiful to look at and deceivingly complex. As you look at such gems from different angles ...

Record-breaking experiment shows that a cluster of thousands of atoms can act like a wave as well as a particle.

Young stars need time to grow into their final masses before they begin fusing lighter elements into heavier elements as main ...

A research team has successfully imaged a nova in high resolution—and the images suggest that the nova was not a single, impulsive explosion. A nova is an astronomical phenomenon that occurs in a ...

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