There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic ...

Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

Discover the immense power and influence of Jupiter's gravity on our solar system and the role it plays in shaping our ...

Did NASA find another Earth? Scientists look to the sky to find a copy of our planet, and some experts think they may have ...

The James Webb Telescope measured a potential moon-forming disk encircling an exoplanet, NASA recently announced, inviting researchers to observe and study moon formation as it happens, while ...

For the first time, astronomers have witnessed the early stages of planet formation around a distant young star, HOPS-315, ...

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...