There are a couple of ways that scientists can date planets, so which planets formed first in 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 ...

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 ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.

LONDON — 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 ...

(CNN) — 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 ...

"This finding is the first direct evidence of water’s interstellar journey from clouds to the materials that form planetary ...