Before arriving at the moon, the small satellite mission will use the gravity of the sun, Earth, and moon over several months ...

ispace's Resilience lander launched on Jan. 15 atop a SpaceX Falcon 9 rocket, along with Firefly Aerospace's Blue Ghost lander. It is taking an energy-efficient, circuitous route to the moon, and only ...

Scientists are studying Saturn's moon Titan to assess its tidal dissipation rate, the energy lost as it orbits the ringed planet with its massive gravitational force. Understanding tidal dissipation ...