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

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

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 ...

“Saturday evening, January 18: Venus and Saturn will appear nearest to each other. As evening twilight ends at 6:15 p.m. EST, ...

Astronomers using the James Webb Space Telescope (JWST) have uncovered a planet so extraordinary it has defied all existing ...

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

Smaller gas giants are less likely to survive in such systems, surrounded by clashing planetary titans. With their lower ...

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

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

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the ...

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