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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A new method uses dust rings in protoplanetary disks to estimate the masses of hidden newborn planets. (CREDIT: Wikimedia / CC ...

This image from a simulation of atmospheric flow shows temperature patterns on one of the newly discovered planets (61Virb), which is hot enough that it glows with its own thermal emission. A movie of ...

Astronomers have finally pinned down the mass and distance of a lonely world that drifts through the galaxy without a parent star, a feat that turns a once-theoretical class of objects into a ...

A bright ring of dust circling a young star can look calm from far away. In reality, it may mark one of the messiest moments in planetary birth, where gas, pebbles, and gravity are still fighting over ...