Andromeda's First Spinning Neutron Star Found

On a clear night, away from the bright lights of a city, you can see the smudge of the Andromeda galaxy with the naked eye. With a backyard telescope, you can take a good look at the Milky Way's sister galaxy. With powerful observatories, it's possible to see deep inside Andromeda, which is what astronomers have been doing for decades. Now, astronomers combing through data from the ESA's XMM Newton space telescope have found something rare, at least for Andromeda; a spinning neutron star. Though...