Add Yahoo as a preferred source to see more of our stories on Google. White dwarf stars, like this one shown shrouded by a planetary nebula, are much smaller than stars like our Sun. NASA/R. Ciardullo ...

Astronomers have discovered an Earth-size planet orbiting an ultracool red dwarf star similar in size to Jupiter. The red dwarf, located some 55 light-years away, is 100 times less bright than the sun ...

From degeneracy to galactic archaeology, white dwarfs are helping scientists make sense of some of the universe's burning ...

Astronomers studying extreme planetary systems have identified worlds so massive that they rival the smallest stars in size. These giant planets blur the line between planetary and stellar ...

Astronomers have just discovered a new Earth-sized exoplanet around SPECULOOS-3, an 'ultracool dwarf' star as small as Jupiter, twice as cold as our Sun, and located 55 light-years from Earth. After ...

Newly reprocessed radio observations are transforming the quiet reputations of nearby dwarf stars. What once looked like ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Juliette Becker, University of Wisconsin-Madison (THE CONVERSATION) The Sun will ...

SPECULOOS-3 b marks the second planetary system ever seen orbiting a red dwarf star. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...

Could an ocean – likely needed to sustain life – even survive on a planet orbiting close to a dead star? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

(THE CONVERSATION) The Sun will someday die. This will happen when it runs out of hydrogen fuel in its core and can no longer produce energy through nuclear fusion as it does now. The death of the Sun ...