The life cycles of stars are fascinating, and sometimes the line between stars and planets isn’t as clear as it seems. Astronomers have found that under certain conditions, stars can fade, shrink, or ...

Our sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its diameter expands more than a hundredfold, engulfing any unlucky planets in ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty protoplanetary disks that give birth to planets of all kinds. And when a star ...

The Sun makes Earth habitable, governs its climate and drives a variety of natural phenomena through its variable magnetism. Indeed, all planets in and outside the Solar System exist under the ...

After years of observation, researchers finally understand how a pair of stars can maintain a stable orbital dance with an elusive planet. In 2004, David Ramm at the University of Canterbury in New ...