The Sun, our nearest celestial neighbor, is undeniably a star, not a planet, as centuries of astronomical observations have ...

For the first time ever, astronomers have spotted a powerful coronal flare (cme) from a star other than the Sun.

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

Astronomers first documented a CME in 1859, in conjunction with the widespread energy grid disruptions that later became ...

The study suggests that planets closest to their stars, especially those that orbit their stars in just 12 days or less, are at a higher risk of being sent to their doom by their aging suns.

Astronomers have discovered that aging stars may be devouring their closest giant planets as they swell into red giants.

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to destroy a planet’s atmosphere.

Aging stars may be destroying the giant planets orbiting closest to them, according to a new study by astronomers at UCL and ...

This artist's concept depicts a supermassive black hole in the process of shredding a massive star—at least 30 times the mass ...

The “Seven Sisters” have far more relatives than anyone imagined. Using NASA and ESA space telescopes, astronomers found ...

Look to the east after sunset on a clear winter night and you’ll spot a bright, tightly packed collection of stars. That’s ...

Researchers have successfully performed the world's first Milky Way simulation that accurately represents more than 100 ...