An amateur astronomer discovered Pluto 95 years ago today. The former planet will complete an orbit in another 153 years.

The comic strip The Far Side has sometimes featured takes on alien life forms to hilarious effect, and these are some of the ...

Choose from Planet Render Cartoons stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

If your game looks remotely interesting and costs $5 or less, I will probably buy it. This isn’t a super smart philosophy on my part but at least it is a terrible way to decide on what to purchase.

The ripples suggest that the lake was free of ice at one point.

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the ...

Studying how and where on Mars these clouds form can help scientists better understand their impact on the planet's climate. The images, which were captured on Jan. 17 by one of two cameras ...

The 'God of War': Mars was named by the ancient Romans for their god of war because its reddish color was reminiscent of blood. Other civilizations also named the planet for this attribute ...

Martian clouds are almost always made of dry ice, or frozen carbon dioxide. 95% of the planet's atmosphere is CO2.

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south pole that are visible only in springtime on the Red Planet. This image ...

Social media users are swooning over images of heart shapes found on Mars. The series of pictures were captured from the Mars ...

Credit: NASA/JPL-Caltech/MSSS/SSI What do clouds on Mars look like? Well, a new video stitched together from images captured by ... their impact on the planet's climate. These twilight clouds ...