Antimatter sounds like something out of science fiction. It powers starships in movies and gets blamed for fictional explosions. But antimatter is real, and physicists study it every day. So what is antimatter, exactly, and why …
A magnetar is a neutron star defined by an extremely powerful magnetic field, up to 1,000 times stronger than a pulsar's. A pulsar is a neutron star defined by fast, regular rotation that produces sweeping radiation beams. B…
Is It Possible to Make a Time Machine? If you've ever wondered whether a time machine could actually be built, you're asking a question that serious physicists have spent decades trying to answer, not science fiction wr…
