A strange planetary system called TOI-201 is changing in real time, with three very different worlds pulling on each other.

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

Using NASA's exoplanet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite) and Antarctic Search for Transiting ...

TOI-201 is one of the few systems whose changes can be observed by humans in real time.

A newly-discovered planet named Enaiposha, GJ 1214 b, is unlike anything found in our own solar system, similar to a ...

The strangest part of the TOI-201 system is not that it holds three very different worlds. It is that astronomers can ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Planetary scientists are ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

Like a double-stuffed Oreo of planetary proportions, the star LHS 1903 boasts two rocky exoplanets sandwiching two gaseous ones. From the star outward, the lineup — rocky-gaseous-gaseous-rocky — ...