The solar system’s first recorded interstellar visitor has a new proposed origin story. The enigmatic celestial object known as ‘Oumuamua might be a shard of a planet ripped apart by its star ...

The dead planet's broken heart consists of heavy metal, and it orbits at breakneck speed through a dirty cosmic boneyard full of other chunks of dead planets.

A Jupiter-like planet may have survived a violent outburst from its host star, saving it from a fate our planet is destined for in 5 billion years.