Hubble’s latest image of the Tarantula Nebula highlights cosmic dust, interstellar gas, and active star formation.

What's the old saying? A watched kettle (or star?) never boils? Our object of interest in this feature is M42, the Orion nebula. The 'M' stands for Messier catalogue objects, that name coming from the ...

At a meeting of the American Astronomical Society in January 1925, a paper read by one of his colleagues on his behalf reported that the Andromeda nebula, also called M31, was nearly a million ...