The one silver lining is that Dr. Rankin’s forecast is slightly less dire than current estimates, which assert that YR4 has a ...

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

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 ...