Venus and Saturn will be in conjunction this weekend, appearing side by side in the night sky during January's post-sunset ...

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

Some space conspiracy theories just won't go away.

NASA's Parker Solar Probe conducts groundbreaking studies of the Sun, revealing insights into solar winds and space weather ...

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 indeed. Here's how to watch.

So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it ...

Mars will seem to disappear behind the full wolf moon Monday for many sky-gazers. Throughout January, also look up to see ...

You won't see a majestic line of planets on Jan. 25 the way people on social media are promising, but you will see four bright planets if you look up.

It's possible that Venus and Earth once simultaneously existed as pleasant worlds hosting mild temperatures and oceans. Then, ...

In one final hurrah, the BepiColombo mission flew past Mercury and captured extraordinary close-up images of the planet ...