Astronomers have uncovered evidence of a rare second-generation planet orbiting a dead star, suggesting new worlds can form ...

This article predates Brown Brothers Media’s ownership of Science Blog and has not been reviewed under our current editorial process. It is preserved as part of the publication’s archive. Super-Earth ...

It’s not quite the impossible planet, but it’s certainly very improbable. A planet has been discovered around a type of ancient star that scientists once believed couldn’t support planets. Even more ...

A rocky planet orbiting its star in just over 10 hours, a world so extreme it was assumed to be a barren, atmosphere-stripped rock, turns out to be wrapped in a thick, volatile-rich gas envelope. NASA ...