Across the Milky Way, planets slightly larger than Earth but smaller than Neptune appear around most stars. Yet our own solar ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

A team of astronomers led from St. Andrews and Manchester universities today (6 July) announced the discovery of a ring of rocks circling a very young star. This is the first time these ‘pebbles,’ ...

The team’s analysis points to a lensing object with a mass of 0.219 Jupiter masses, a touch lighter than Saturn or around 70 ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

A visible line of planets has for weeks been the talk of astronomers and hobbyist stargazers who have sought to catch a sight of our solar system's worlds. Online chatter and a frenzy of media ...

Stargazers in California and worldwide will be treated to a planet parade in February when Earth's seven sister planets align. You'll need high-powered binoculars or a telescope to see Neptune and ...