Before Apollo astronauts set foot upon the moon, much remained unknown about the lunar surface. While most scientists ...

Elon Musk is on a crusade against government spending. Unless, apparently, it's going to him."If action is not taken to curb ...

A private spacecraft on a pretty badass mission has sent back footage of the far side of the Moon, on its way to land in the ...

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

Many photos McCarthy has taken of the space station in the past show the ship as a silhouette in Earth's shadow. This time he ...

A trip to the moon takes just three days. Going to Mars, in contrast, takes months—one way. Recently, a NASA program aimed at ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

Part of NASA’s Small Innovative Missions program, the spacecraft is designed to search for water ice hidden in the moon’s coldest regions. The Trailblazer has special tools, the High-resolution ...

Pittsburgh-based company Astrobotic has found a replacement rover to fly on the first-ever mission of its Griffin moon lander. Griffin was originally supposed to deliver NASA's ice-hunting VIPER ...

Symbiotic Star Mira HM Sge: A Hubble Space Telescope image of the symbiotic star Mira HM Sge. Located 3,400 light-years away in the constellation Sagitta, it consists of a red giant and a white ...

An Apollo 16 astronaut has revealed how a photo of a family portrait ended up sitting on the moon for more than half a century. Astronaut Charles Duke, who served as a Lunar Module pilot, took off for ...