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

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

The James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different ...

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

The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...

Six planets will be in alignment this weekend, with four of them shining bright in one sweeping view. What to know about the ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...

Our sun is a lonely star. At least half the stars in our galaxy have binary companions. This was nicely illustrated in the ...

You probably know about the buildings or train station named for President Biden, but he's also the namesake for a dwarf ...

Saturn, the sixth planet from the Sun, is one of the most breathtaking sights in our solar system. With stunning visuals ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...