Dark matter remains one of science's deepest mysteries. It makes up about 25% of our universe, yet scientists only observe ...

The black hole in question is 1ES 1927+654, located around 270 million light-years from Earth, with a mass around 1.4 billion times that of the sun. 1ES 1927+654 first announced its weirdness to ...

Many main sequence stars are also often referred to as “dwarf” stars. They can range greatly in luminosity, color, and size, from a tenth to 200 times the sun’s mass.

The temperature of the gas drops, changing the star’s color to vermillion. What we have then is a red giant. ... slowly fading to become a so-far-theoretical inert lump called a black dwarf.

An intermediate-mass black hole lurking undetected in a dwarf galaxy revealed itself to astronomers when it gobbled up an unlucky star that strayed too close. The shredding of the star, known as a ...