The hunt for mysterious Planet Nine offers up a surprise Physorg

Astronomers have glimpsed the inner structure of a dying star in a rare kind of cosmic explosion called an "extremely stripped supernova."

A small team of astrophysicists at the University of California, Los Angeles, working with colleagues from the University of Texas at Dallas and the University of Colorado, Boulder, has found…

One often-repeated example illustrates the mind-boggling potential of quantum computing: A machine with 300 quantum bits could simultaneously store more information than the number of particles in the known universe.