One of the best places to study stars is inside “open clusters”, which are groups of stars that formed together from the same material and are bound together through gravity. Open clusters act as ...

Astronomers have painted their best picture yet of an RV Tauri variable, a rare type of stellar binary where two stars – one approaching the end of its life – orbit within a sprawling disk of dust.

First detected more than four centuries ago, highly evolved stars known as Mira variables have long been observationally neglected by most of the professional astronomical community. That’s even ...

Russian astronomers have conducted photometric observations of a unique extremely metal-poor luminous blue variable star known as DDO68-V1. Results of the observational campaign, published Jan. 28 on ...

Astronomers using the Swiss 1.2-metre Euler telescope at ESO’s La Silla Observatory in Chile have found a new type of variable star. The discovery was based on the detection of very tiny changes in ...

Greetings stargazers. Occasionally, the calendar aligns so that I get to complain about daylight saving time in this column on the same weekend it goes into effect. I need to take the chance to do ...

Using the Nanshan One-meter Wide-field Telescope (NOWT), astronomers from China have observed the open cluster NGC 2355 and its surrounding field, searching for variable stars. They have detected 72 ...