In the grand scheme of things, it wasn’t all that long ago that the entire body of knowledge of our solar system was built solely with Earth-based observations. Turning first their naked eyes to the ...

"That Mars is habitable by beings of some sort or other is as certain as it is uncertain what these beings may be," wrote Percival Lowell in the early 20th century. While other astronomers had their ...

Launched November 28, 1964, from Cape Canaveral Air Force Station in Florida, Mariner 4 was one of 10 spacecraft named Mariner that NASA’s Jet Propulsion Laboratory designed and built between 1962 and ...

It feels right that today be #pluto day because it also happens to be the 50th anniversary of the day that Mariner 4 captured the first satellite imagery of the closest planet in our solar system, ...

1965: After a few million years of watching Mars from afar, humanity meets the red planet -- not quite in person, but through the eyes of NASA's Mariner 4 satellite. The half-ton space camera flew ...

If you are a seafarer, the last thing you want is to suffer from seasickness (motion sickness). When you are busy with deck and accommodation patrols, steering the vessel, standing on lookout, or ...

The image displayed above is the first look at Mars that television watchers around the world were able to glimpse. But it's not a traditional photograph. Too anxious to wait for the official ...