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

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

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

In this episode, Dave Eicher invites you to go out and spot the many planets currently in our night sky. You’ll see four of the five planets visible without optical aid. Venus and Saturn are in ...

NASA's OSIRIS-REx mission discovered molecules vital to life and a history of saltwater on asteroid Bennu. The findings ...

Wolk modeled atmospheric conditions similar to those of planets in our solar system, including an Earth-like atmosphere, a Venus-like atmosphere, and either of these with an ocean. The potential ...

Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century ...

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

A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by warping the orbits of the four outer planets, a new study suggests.

Scientists found an intriguing world in our galaxy.

Davis Astronomy Club invites everyone on the evening of Saturday, Jan. 25, for a free viewing of the rare alignment of six ...

Stargazers who haven't had a chance to check out this month's planet parade will want to look up soon because there's ...