The traditional Habitable Zone (sometimes called the Goldilocks zone) is kind of like a campfire. If you sit too close, you ...

For the first time, astronomers have managed to weigh a planet that is not bound to any star, a lonely world drifting through the Milky Way with no sun of its own. The measurement turns a ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets seem to have been knocked out of their orbits, floating through space free ...

Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift alone through the Milky Way. Astronomers call these objects free-floating ...

Peking University, January 2, 2026: A lucky alignment of space- and ground-based telescopes has enabled researchers to nail down the mass of a rogue planet for the first time. Unlike worlds in our ...

Right now, we have a suspiciously perfect sphere hiding in the Milky Way, rogue planets raising baby moons, and we’re tracking a new comet that may or may not be an alien spacecraft on its way to ...