A radio telescope has observed a peculiar and complex activity of a magnetar located roughly 8,000 light years away from the Earth. A magnetar is a neutron star that has an incredibly strong ...

have caught sight of hundreds of mysterious flashes of light reflecting off our planet over the course of a year. What could they be? Reflections of sunlight glinting off oceans? A really ...

The pulses of X-ray light, initially observed at 18-minute intervals ... suggests that these pulses may originate from a white dwarf star, a dense remnant of a dead star, that is perilously ...