"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really ...

Blue Origin's famed New Shepard spacecraft successfully simulated the moon's low gravity on board its capsule during a brief flight Tuesday morning over West Texas. Video of the uncrewed launch ...

Io's intense volcanic activity is the result of "tidal flexing," where the moon is continuously being squeezed and released like a stress ball by Jupiter's crushing gravity. This external force ...

The moon, nearly two nights past ... After dazzling Venus has set at around 9 p.m., Jupiter becomes the brightest "star" in the late evening hours and into the middle of the night. It is three-fold ...

also similar to how far away the moon orbits Earth — but it travels much faster than its lunar counterpart, whipping around Jupiter every 42.5 hours. This is due to the gas giant's immense gravity, ...