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

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

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,’ ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

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 ...

Jupiter will reach opposition on Saturday, January 10, making it the brightest and largest it will appear in 2026 as Earth ...

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 ...