Durin the Deathless is a Lord of the Rings character who casual fans may not know but who is one of the most important ...

When they reach the end of their long evolutions, smaller stars—those up to eight times as massive as our own sun—typically become white dwarfs. These ancient stars are incredibly dense.

Brown dwarfs are lighter than stars ... deepens our understanding of brown dwarfs, which straddle the line between stars and giant planets," says Mawet, who is also a senior research scientist ...

M dwarfs, especially in eclipsing binaries (EBs ... In EBs, the orbit plane of the two stars lies so nearly in the line of sight of the observer that the components undergo mutual eclipses.