All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

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.

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

This month offers incredible views of six planets, including Venus-Saturn conjunction. See the dates for all of 2025's ...

The research, yet to be peer-reviewed, sheds light on what could have changed the orbits of several planets in the solar ...

Venus, Saturn, Jupiter and Mars are all visible to the naked eye just after the sun goes down. Neptune and Uranus can also be ...

A new study, currently under review for publication, suggests that an ancient cosmic visitor might have significantly altered the orbits of our solar system's giant planets. Scientists propose that ...

In January, stargazers will be able to see four bright planets, the close dance of Venus and Saturn, Mars at opposition, and ...

Since the middle of the month, four of the five brightest planets in the night sky have been visible after sunset and will ...

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

A six-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility Jan. 17-18. We let you ...