As J.R.R. Tolkien wrote in The Fellowship of the Ring, “Not all those who wander are lost.” But in the case of planets, it’s possible that most of them are. Rogue planets—planets that are adrift in ...

ZURICH, Switzerland — In our quest to answer whether we’re alone in the universe, astronomers are preparing for a major advancement: new space telescopes capable of scanning distant worlds for signs ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new mission concept that would see a fleet of telescopes probing rocky planets in their stars' ...