Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours ...

Earth ejecta, for instance, could hold Earth life.

Planetary scientists simulated past events on Venus to determine why Venus and Earth are so different. They found geological ...

SEE ALSO: NASA scientist viewed first Voyager images. What he saw gave him chills. Venus and Earth, although they've taken two dramatically different climatic roads, are considered sibling planets.

G3 (ATLAS) should be visible from the southern hemisphere, and possibly also the northern hemisphere, over the next few days ...

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.

Four planets — Venus, Saturn, Jupiter and Mars — will be visible in the night sky. That doesn't happen often, according to NASA. Venus and Saturn additionally will be exceptionally close to ...

On Jan. 17 and 18 Venus and Saturn will "come within just a couple of finger widths' distance apart in the sky," according to NASA. Luckily the most exciting astrological event will be happening ...