Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

After graduating from UVA in 2013 and completing her doctorate in planetary science from the University of Arizona in 2019, ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

From late January to early February, a rare planetary viewing will occur early in the crisp winter night sky, early in the evening. The Moon will enter its New Moon Phase, and six planets will be ...

Astronomers have found two planets around two separate stars that are succumbing to their stars’ intense heat. Both are ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Despite common assumptions, the disk of our Solar System is warped, and the planets travel around the Sun in slightly eccentric (or oblong) orbits. Scientists now think that a mysterious object ...

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

The case of mistaken identity was quickly resolved, but astronomers say it shows the need for transparency around craft in ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

Stargazers, prepare for the parade of planets that will take place over the next few nights in the sky. Here's what you need ...