Astronomers have discovered a "teenage vampire" dead star in the process of devouring a companion star during a short-lived, "missing link" phase of its evolution.

Dwarf galaxy nuclei contain hundreds of thousands to hundreds of millions of stars, making them the densest stellar clusters in the known universe — and this research seems to confirm that such ...

De Ruiter and her colleagues conducted follow-up observations of the red dwarf star using the 21-foot (6.5-meter) Multiple Mirror Telescope at the MMT Observatory on Mount Hopkins in Arizona, as ...

But this star isn't the life-giving companion our sun is to us; it's stripping away the giant planet's atmosphere. An animation shows the white dwarf and its much larger, Neptune-like planet.

An international team of astronomers just announced a bizarre discovery: a white dwarf star with two completely different faces. This is the first time such a stellar remnant has ever been found ...