When you buy through links on our articles, Future and its syndication partners may earn a commission. A white dwarf throws off shells of gas like a butterfly leaving a cocoon . Here the bright dot in ...

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 ...

(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 ...

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 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 ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...