“Astronomers discover a completely unknown object floating around in space” is a common news theme, but it’s fun every time. The latest is a brand new type of star – ancient red giants the team has ...

'Hidden' stars including a new type of elderly giant nicknamed an 'old smoker' have been spotted for the first time by astronomers. Artist’s impression of a cloud of smoke and dust being thrown out by ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A decade-long ...

'Hidden' stars including a new type of elderly giant nicknamed an 'old smoker' have been spotted for the first time by astronomers. The mystery objects exist at the heart of our Milky Way galaxy and ...