NASA paid Firefly $101.5 million to carry 10 science and technology payloads to the lunar surface. ... hoping the pictures can help solve an enduring scientific mystery of the lunar horizon glow.

NASA’s upcoming Artemis II mission is slated to return astronauts to the Moon no sooner than April 2026. First, Lunar Trailblazer needs to make a few measurements.

Regolith: The layer of unconsolidated, fragmented material covering solid rock on the lunar surface. Rocket Plume: The high-temperature, high-speed exhaust stream produced by a rocket engine ...