For the first time, astronomers have spotted a rapidly spinning neutron star that is gravitationally bound to a helium star companion. The discovery of this unusual binary system helps confirm a ...

The physics of neutron stars are almost too fantastic to believe: something the weight of two suns compacted to a sphere the size of a city. Each teaspoon of its material would weigh billions of tons.

The so-called hypervelocity object, which is either a low-mass star or a brown dwarf, is traveling through the Milky Way at around a million miles an hour. By Katrina Miller In his spare time, Tom ...