The best viewing for January's planetary parade is about 90 minutes after sunset, in as dark and clear a spot as you can find. Use binoculars or a telescope for an even better look. The alignment will ...

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

Research co-led by the University of Maryland reveals that drought and increased temperatures in a CO2-rich climate can ...

There are six planets in the night sky all week, four of them visible to the naked eye and two of them getting very close ...

NASA's Mars Reconnaissance Orbiter has captured images of kidney bean-shaped frozen sand dunes in Mars' northern hemisphere, ...

Space agencies around the world are setting their sights on new frontiers, with plans to explore Venus and other distant ...

Venus and Earth, although they've taken two dramatically different climatic roads, are considered sibling planets. They're ...

Whether you're an experienced astronomer or simply enjoy gazing at the night sky, this January offers a rare opportunity to witness a dazzling array of planets.

A newly-discovered comet might light up the night sky in the coming weeks, possibly shining even brighter than the planet ...

"There are plenty of astronomy apps for mobile phones to guide your viewing, but be aware that they can destroy or diminish your patiently earned dark adaptation in a fraction of a second.