The investigation of light and optical properties stretches back centuries, at least to the ancient Greeks, Egyptians, and Mesopotamians. In fact, even artificial lenses date back to as early as ...

Both NASA and Firefly Aerospace say Blue Ghost remains healthy as it prepares to make for lunar orbit sometime next month.

On January 18, the team at Firefly carried out Blue Ghost’s first engine burn, firing up the lander’s thrusters and main ...

Its orbit keeps it close to Jupiter ... Amalthea, however, is tricky to spot even when you have a spacecraft. NASA's Galileo mission imaged Amalthea in 1999. Large impact craters are visible.

Blue Ghost, a lunar lander carrying 10 NASA instruments, successfully executed its first main engine burn as part of its ...

In an elliptical orbit of Jupiter since July 2016 ... The first close-up images of Io since NASA’s Galileo mission in 1997 revealed the emergence of a fresh volcano with multiple lava flows ...

Firefly Aerospace's Blue Ghost mission to the moon has captured stunning video of the Earth eclipsing the sun, as seen from space.