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

Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

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

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

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

Astronomers at The University of New Mexico have published new research confirming three bodies orbiting the dynamic ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s concept shows the inner regions of a ...

An artist's impression of a planetary system with four planets, around a small red star, called LHS1903 with a large reddish-brown rocky planet with craters is visible in the foreground and three ...

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

Astronomers have discovered more than 300 exoplanetary systems that have three or more known planets. Most of these planets are about the same size and spaced close together, earning them the moniker ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

WASHINGTON – Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its gaseous neighbors, possibly after ...