Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered that aging stars in their so-called ...

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

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of ...

Their findings show that planets are far less common around stars in this late stage of life, suggesting that many close-orbiting worlds are likely destroyed as their stars expand ...

The first map of magnetic fields in a planetary formation disk has been created, revealing how invisible forces shape the ...

What: Astronomers using JWST and ALMA have captured the earliest known stage of planet formation around the protostar ...

When stars like the Sun run out of hydrogen in their cores, fusion slows and the outer layers balloon outward. The star can ...

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 at NASA and the University of California at Santa Cruz have launched a Web-based project that has amateur astronomers lining up to have a chance to discover extra-solar planets that ...

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

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these ...