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

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy material, the ingredients of planets," according to NASA's Goddard Space ...

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

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

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 ...

BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.

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 ...

A Triple Star System Yields an Unusual Surviving Star Unlike our Sun, which exists alone, at least half of the stars in our ...