V664 Cas is a binary system consisting of a white dwarf, a stellar corpse, and a red giant star, only a few million miles apart from each other. The other small bright bluish ball visible to the ...

T Coronae Borealis (T CrB), popularly known as the "Blaze Star," is surely on the verge of a rare and dramatic brightening.

The Sun, the main source of light and energy, is the brightest object in our solar system, shining on and lighting up all other celestial bodies. Jupiter, the biggest planet in our solar system, ...