Astronomy Super-magnetic dead star throws a violent temper tantrum as NASA X-ray spacecraft looks on Black Holes NASA spacecraft spots monster black hole bursting with X-rays 'releasing a hundred ...

These red-giant stars -- older, "retired" stars no longer burning hydrogen in their cores -- are known as HD 212771 and HD 203949. Both stars are known to host their own planets.

Facts about the red giant star and where to find it are explained by Space.com's Chelsea Gohd. [Betelgeuse: The Eventual ...

It's called a "zombie star," and it occurs roughly every 80 years when the remnant of a dead star becomes visible to the ...

T Coronae Borealis has an outburst every 79 to 80 years, according to NASA. The once-in-a-lifetime explosion of T Coronae Borealis, also known as the "Blaze Star," is still pending -- but the ...

A red giant star and white dwarf orbit each other in this animation of a nova similar to T Coronae Borealis. NASA/Goddard Space Flight Center Astronomers have been watching a small constellation ...

T Coronae Borealis is a binary star system made up of a red giant and a white dwarf. According to NASA, the white dwarf orbits the red giant closely enough that it continually grabs hydrogen from ...

Any day now, a star system 3,000 lightyears away from Earth is set to become visible to the naked eye. T Coronae Borealis, nicknamed the Blaze Star, is a binary star system made up of a red giant ...

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets.

Astronomers modeled sunspot activity on a nearby red giant star to learn about its chaotic interior. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's visualization of some of the spots on red giant XX Trianguli. | Credit: Viktor Varga ...