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 and atmospheric processes transformed Venus into an extreme planet.

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

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet image of the planet.

One of the many advantages of being in space is having a front-row seat to the most anticipated cosmic events.

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 ...

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 ...

During this astronomical phenomenon, four planets will be visible to the naked eye in the first couple of hours after dark, according to NASA: Venus and Saturn in the southwest edge of the sky ...

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 ...

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.

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.