The universe is home to trillions of worlds, but not all planets are created equal. Some are scorching enough to melt rock, ...

The bright rings that newborn planets create around their young stars can be studied to figure out their masses.

Four-and-a-half billion years ago, a massive world—possibly as big as the moon or even Mars—orbited our sun before crashing ...

Two pairs of ‘rogue’ Jupiter-size, planet-like objects have been found in a large star-forming region in the Milky Way, a new ...

A hot, rocky planet discovered using the Kepler space telescope is the smallest ever found outside our solar system. The new planet, called Kepler-37b, has a radius less than a third the size of Earth ...

Using a new technique that partly relies on artificial intelligence, researchers spotted potentially more than 10,000 new ...

For the first time ever, the James Webb Space Telescope has discovered an exoplanet by directly imaging it. The newfound world has a mass roughly similar to Saturn and orbits inside the debris disk ...

Astronomers used machine learning to search old NASA data and uncovered more than 10,000 unknown planet candidates hidden ...

A giant planet nearly 700 light-years away has a bizarre daily weather cycle where mineral clouds appear every morning and ...

A new satellite survey has found nearly 30 unusual planets orbiting two stars instead of one, similar to Tatooine, the fictional home of Star Wars protagonist Luke Skywalker. Such circumbinary planets ...