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

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.

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

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 ...

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 ...

The binary star system, known collectively as R Aquarii, is a special type of double star, called symbiotic, and it's the closest such pair to Earth.In this system, an elderly red giant, bloated ...

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 ...

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 ...

This red giant star has starspots larger than the entire sun. Conor Feehly. Mon, ... (AIP) and the HUN-REN Research Center for Astronomy and Earth Sciences (HUN-REN RCAES) ...