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

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

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

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

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

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

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 ...

Interstellar comet 3I/ATLAS, a 7.5-billion-year-old visitor from the early galaxy, is offering scientists a rare glimpse into ...

Scientists from NASA and Chalmers University have discovered that incompatible substances can mix on Titan’s icy surface, ...

The rings of Saturn are among the wonders of the solar system, with a diametre of roughly 175,000 miles (280,000 kilometers) ...

While Saturn 's magnificent rings, spanning 175,000 miles (280,000 kilometres), are a familiar celestial marvel, scientists ...

We thought we understood planets, but the planetary disk chemistry of far-away XUE 10 is completely changing our conception ...