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

EDINBURG, Texas (ValleyCentral) — If you needed a sign from the cosmos, the planets are in fact aligning for you this evening. ValleyCentral spoke to Christian Hernandez, Program Specialist at UTRGV ...

Snapchat Planets, part of the Snapchat Plus Friend Solar System, ranks you in a friend’s top 8 based on your interactions, from Mercury (#1) to Neptune (#8). Each friend has their own solar system ...

The solar system's eight planets will never truly be in a straight line, but they can get close to it. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Friday holds a special celestial treat in store for astronomers and amateur stargazers. Mercury will become the seventh planet to line up in a current “planetary parade” that’s happening, joining ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit their stars in unexpected, elongated paths. Unlike their close-orbiting ...